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FAQ No.

Topic Area

Question

7

Q7

Subpart A

Which greenhouse gases (GHGs) are covered under the rule?

10Q10 Subpart AWhat is the definition of a “facility”?
13Q13 Subpart ACan you please describe what constitutes a facility? For example, if a hospital has four buildings, does the rulemaking pertain to the four buildings as a composite, or to each individually?
19Q19 Subpart JJHow does the restriction attached to EPA's Appropriation Bill for 2010 impact Subpart JJ (Manure Management Systems) in the final greenhouse gas reporting rule that was published in the Federal Register on October 30, 2009?
20Q20 Subpart ADoes the rule apply to U.S. Territories?
21Q21 Subpart AHow did EPA develop the general threshold of 25,000 metric tons of carbon dioxide equivalent (mtCO2e) per year?
22Q22 Subpart AHow much is 25,000 metric tons of CO2 equivalent (mtCO2e)?
23Q23 Subpart AAre there some sectors where all facilities have to report regardless of whether they meet the 25,000 metric tons of carbon dioxide equivalent (mtCO2e) annual threshold?
26Q26 Subpart AIs there a simple way for facilities with stationary fuel combustion units to determine if they will be required to report?
28Q28 Subpart AWill individual car or truck owners be required to report?
29Q29 Subpart AWill owners of commercial buildings be required to report?
30Q30 Subpart AWill federal, state, or local facilities have to report emissions?
36Q36 Subpart AThe applicability tool says I need to report, but I don’t think the tool is right.
37Q37 Subpart AIs applicability based on actual emissions or potential emissions?
42Q42 Subpart AHow will emissions data be verified?
43Q43 Subpart AWill EPA provide training and guidance for reporters?
44Q44 Subpart CThere are currently no CEMS available at my facility. Is there a provision to allow calculations of Tier 1, 2 or 3 if the cost of purchasing and installing CEMS will be seriously detrimental to the company?
45Q45 Subpart AIf facility intends to obtain fuel usage data from utility bills, but its utility bills reflect fuel usage through middle of the month, how does EPA recommend a facility estimate fuel use for the calendar year? Is it acceptable to pro-rate fuel use?
50Q50 Subpart AWhen are reporters required to complete their GHG Monitoring Plan?
51Q51 Subpart AWhat representative of a reporting facility is in charge of reporting? Is it the operator or facility owner? Can a third party be hired to report on behalf of the reporting facility?
56Q56 Subpart AHow is this reporting rule different from the Inventory of U.S. Greenhouse Gas Emissions and Sinks report (Inventory)?
64Q64 Subpart CShould pilot light emissions be included in greenhouse gas emissions reported in subpart C of Part 98?
66Q66 Subpart CWhere does no. 2 diesel fuel fit into Table C-1 and C-2?
67Q67 Subpart CWhere the heat input capacity of a combustion unit is less than 250 mmBtu per hour input capacity and the unit is not subject to Tier 3 or 4 per Subpart Y of Part 98, and where there might be more than one fuel type fed to...?
68Q68 Subpart C40 CFR §98.33(a)(3)(iii) indicates that “For units that combust municipal solid waste (MSW) and that produce steam, use Equation C-2c of this section”. However, Table C-1...
69Q69 Subpart CDoes fuel use for comfort heating and hot water heaters need to be reported?
70Q70 Subpart CWould fuels combusted in a test stand be considered as stationary fuel combustion when the articles being tested are mobile sources (aircraft, rocket, missile, spacecraft)?
73Q73 Subpart CIf a non-Acid Rain unit combusts coal or other solid fossil fuel and has gas monitors installed but does not have a stack flow monitor, is installation and certification of a stack flow monitor required?
74Q74 Subpart CIf a unit that combusts only fossil fuels has a CEMS for CO2 and uses Tier 4, must CO2 be reported by fuel type?
75Q75 Subpart CFor a unit that combusts fossil and biomass fuels that has a CEMS for CO2 and uses Tier 4, must CO2 be reported by fuel type?
76Q76 Subpart CFor a group of units that combusts only pipeline quality natural gas, may a shared fuel flow meter on a common pipe or gas supplier billing meter data be used to determine the CO2 mass emissions for the group of units?
77Q77 Subpart CFor a unit that has an O2 monitor and doesn’t meet the conditions required to use Tier 4, but elects to use Tier 4, what are the monitoring requirements?
80Q80 Subpart CIf the HHV is known as part of a general energy management system, but not sampled on a routine basis, may Tier 1 be used?
81Q81 Subpart CIf a combustion unit is greater than 250 mmBtu per hour, combusts a biomass fuel listed in Table C-1, and receives HHV data at the required frequency in §98.34(a), may Tier 1 be used per 40 CFR 98.33(b)(1)(iii)?
82Q82 Subpart CFor a non-Acid Rain combustion turbine rated over 250 mmBtu per hour that only burns diesel oil and pipeline natural gas, is it acceptable to use Tier 2…
83Q83Subpart CFor diesel fuel (e.g., No. 1 or No. 2 fuel oil) shipments that are received 1 or 2 times a year, is it sufficient to sample the fuel carbon content upon receipt of each shipment for Tier 3?
84Q84 Subpart CFor a unit that is not required to use Tier 4 (CEMS monitoring), which tier is required if you receive HHV with some coal shipments, but not every coal shipment?
85Q85 Subpart CIs the use of Subpart C tiers required after 2010 and is it acceptable to use the best available monitoring provisions under Subpart A beyond 2010?
86Q86 Subpart CDoes Tier 3 have to be used if a unit is less than or equal to 250 mmBtu per hour, but has a continuous gas chromatograph to determine carbon content?
87Q87 Subpart CWhat Tier, if any, must be used for a fuel not listed in Table C-1 that is less than 10% of the heat input of a combustion unit?
88Q88 Subpart CIf a combustion unit with a heat input capacity less than 250 mmBtu per hour burns both natural gas and a liquid fuel, and the quantities are known…
90Q90 Subpart CDoes EPA accept thermal flow meters for measuring volumetric flow rate under 98.34?
91Q91 Subpart CAre orifice, venturi, and nozzle flow meters required to have temperature, and total pressure transmitters located on the flowmeters?
93Q93 Subpart CWhat should facilities do if the calibration error for fuel flow meters that exceeds the 5.0% performance specification?
95Q95 Subpart CIf a facility has a billing meter for natural gas distributed to the combustion units throughout the facility, and if these combustion units also have their own meters, is there an obligation...
96Q96 Subpart CIs there a recurring fuel flow meter calibration requirement for Tier 1 and Tier 2 units?
97Q97 Subpart CDoes the calibration exemption for fuel billing meters still apply for common pipe reporting option?
98Q98 Subpart HHThe landfill industry uses a portable meter that uses an IR method to determine methane and carbon dioxide concentrations. Has the EPA determined if these units are acceptable and comply with the accuracy required by the rule?
100Q100 Subpart HHWhen does moisture content need to be corrected for in Equation HH-4?
102Q102 Subpart HHWhat models are acceptable for performing the calculations in subpart HH?
103Q103 Subpart HHHow should inert wastes be accounted for in Equation HH-1?
104Q104 Subpart HHThe methods listed in section 98.344 are not applicable to my monitor, how should I calibrate?
105Q105 Subpart HHWhat is the definition of a facility as it relates to landfills and landfill gas to energy (LFGTE) plants?
106Q106 Subpart HHWe do not have any records or receipts for the waste quantities that were placed in our landfill before 2000, how do we estimate historic waste quantities before that year?
107Q107 Subpart HHIf an MSW landfill has a dedicated area which receives waste other than MSW, may this area be excluded from the rule requirements?
108Q108 Subpart HHIf an MSW landfill is later remediated as a hazardous waste landfill, does it need to comply with the rule?
109Q109 Subpart HHIf I use a flame ionization detector (FID) or an infrared (IR) monitor, am I required to determine an annual non-methane organic correction factor?
110Q110 Subpart AIf two entities share a Title V permit would that preclude them from reporting separately even if there is no common ownership or control?
111Q111 Subpart HHDo landfills have to report the biogenic CO2 that is included in LFG emissions and the CO2 that is emitted from flares?
113Q113 Subpart HHIf all of our landfill gas gets piped offsite to another facility, what do we need to report?
114Q114 Subpart HHCan an alternate oxidation factor, other than 10% be used in the calculations?
116Q116 Subpart HHDo passive flares count as gas collection systems? Do the landfills with flares have to monitor for landfill gas and methane concentration?
117Q117 Subpart HHDoes EPA's definition of treatment equipment include moisture knockout and blower systems? Is it acceptable to EPA for the flow meter to be placed after the moisture knockout and blower or is it required to be placed before these items?
119Q119 Subpart HHAre annubars or v-cone flowmeters acceptable for compliance with the rule requirements?
120Q120 Subpart HHIs weekly monitoring of both gas flow and methane concentration allowed?
121Q121 Subpart HHThe applicability tool refers to a 350,000 waste-in-place threshold. Is reporting required if the total waste-in-place is less than 350,000 tons?
122Q122 Subpart HHCan a landfill ever stop reporting under the rule?
123Q123 Subpart YFor petroleum refineries, which subpart should be followed for flare calculations? Section 98.252(a) says to use Subpart C. However, section 98.253(b) specifies a method for flares.
125Q125 Subpart AAThe definition of the source category for Pulp and Paper is relatively broad to include a range of pulp and paper manufacturing activities. If a facility falls under the definition of 98.270 (a) but does not contain emission units specified in 98.270(b) for which greenhouse gas emissions must be reported, is such a facility subject Subpart AA?
126Q126 Subpart AIf a campus is divided by several blocks of property not owned by the entity – can that area be defined as a facility by itself?
127Q127 Subpart AIf a campus is divided by a non-owned body of water (e.g., a river), does that create two distinct facilities?
129Q129 Subpart AI leased space within my definition of "facility", if I do not track fuel use for that space, do I have to include it in my report?
130Q130 Subpart AI have space which I own, but lease to a third party within my "facility" and the tenant pays the utilities, do I have to include that building space?
132Q132 Subpart AProvide one or two specific examples of what would be acceptable to EPA under §98.3(g)(5)(i)(B), "Explanation of processes and methods used to collect the necessary data for the GHG calculations".
133Q133 Subpart CCan I use more than 1 Tier Method for my facility?
134Q134 Subpart CI have a natural gas emergency generator and a boiler in a building within the facility but no means to separate the usage out – how do I account for that, since the e-gen is not included?
135Q135 Subpart CI have natural gas meter records for a building that uses natural gas for heating and cooking – but no separate meters – how do we account for that?
137Q137 Subpart CI do not have a fuel meters at a building on the source, but know how much fuel is delivered. This is not the actual amount used, since my inventory at the beginning of the year may be different than the end – should I use the delivered amount?
138Q138 Subpart CPlease explain what High Heat Value (HHV) testing is and how a school's EH&S personnel would know if this is occurring?
139Q139 Subpart CWould a boiler (or other combustion unit) that is mounted on a trailer or movable platform, that is used to provide temporary services while facility equipment is serviced, upgraded, or replaced, and where such equipment remains at the facility...
140Q140 Subpart CWould the following be considered stationary or portable sources, assuming their location falls within the definition of facility?
141Q141 Subpart HHMy site has a gas collection system. Which equations do I need to use to determine my methane generation and methane emissions for subpart HH?
142Q142 Subpart AIn the event fuel volume is based on third-party fuel billing meters that meet the exemption in 98.3(i)4, what are the record keeping requirements?
146Q146 Subpart CMany facilities use mass or volumetric flow meters to measure gaseous streams. Please confirm whether it is acceptable to use a mass flow meter to determine the volumetric flow rate of gaseous streams under Subpart C or the GHG Reporting Rule.
148Q148Subpart CWith respect to coal or fuel oil, the rule requires analysis of at least one representative sample from each lot.  Does EPA have any additional guidance on what constitutes a "lot?"
149Q149 Subpart CIf coal comes from the same source, how many deliveries must be analyzed to have a representative sample?
150Q150 Subpart HHAre scales required for Municipal Solid Waste Landfills?
151Q151 Subpart HHMust every container or vehicle be weighed coming in and going out of the landfill?
153Q153 Subpart HHDoes EPA accept thermal flow meters for measuring volumetric flow rate of LFGs?
154Q154 Subpart HHWhat additional considerations are necessary when using a mass flow meter for landfill gas?
164Q164 Subpart MMA third party measures the quantity of a petroleum product I receive with equipment that is not located on my site. Am I allowed to use that data to report quantity in my annual GHG report? Who is responsible for retaining the associated records? Who is responsible for the accuracy of that measurement?
165Q165 Subpart MMWhat is an industry standard practice, and when can one be used? How should I report an industry standard practice? Is "third party verification" or "delivery record" an industry standard practice?
166Q166 Subpart MMThe quantity of petroleum product that I import is determined by a third party gauger who is approved by Customs & Border Protection (CBP). How should I comply with the quantity determination requirements in §98.393(a)?
167Q167 Subpart MMIf my refinery sells a fuel product to a pipeline company that is measured by a custody transfer meter that is owned and operated solely by the customer, can I define this meter as a "fuel gas billing meter" as in subpart A §98.3(i)(4), which says: "Fuel billing meters are exempted from the calibration requirements of this section, provided that the fuel supplier and any unit combusting the fuel do not have any common owners and are not owned by subsidiaries or affiliates of the same company."
168Q168 Subpart MMAm I required to report under subpart MM even though my refinery does not input any crude oil?
169Q169 Subpart MMDoes the rule cover imports into and exports from all U.S. possessions, including Puerto Rico, Guam, U.S. Virgin Islands, and other U.S. territories?
170Q170 Subpart MMDoes the rule require reporting for import shipments into a specified U.S. territory from another U.S. location, and export shipments from a specified U.S. territory to another U.S. location?
171Q171 Subpart MMIf my refinery produces a product, feedstock or blendstock stream that is not listed in Table MM-1, how should I comply with the subpart MM reporting requirements? Am I required to use Calculation Method 2 to develop my own emission factor?
172Q172 Subpart MMCan a product-specific factor developed at one facility be used at another facility for the same type of product?
173Q173 Subpart MMWhat is meant by "otherwise used on site" for the subpart MM equations using feedstock quantities?
174Q174 Subpart MMHow do I account for intermediate stocks that are traded between different refineries. For example, if I send gasoil to another location, do I account for it or do I only report finished products?
175Q175 Subpart MMWhat biomass activities are included in Equation MM-3, and in what cases should I subtract biomass out of equation MM-8?
176Q176 Subpart MMIf a refinery imports and exports petroleum products, should these products be reported both at the facility level under §98.396(a) as well as at the corporate level under §98.396(b) and (c)?
179Q179 Subpart ASection 98.4(b) states the designated representative shall be an individual selected by an agreement binding on the owner or operator of the facility. What constitutes the "agreement"?
183Q183 Subpart LLUnder subpart LL, are coal-to-liquids facilities required to report on coal-based products that are solid products (such as coke), or is reporting limited to liquid products?
184Q184 Subpart JJCan facilities with manure management systems report under the Greenhouse Gas Reporting Program?
185Q185 Facility RegistrationCan additional Agents be added to e-GGRT after the registration deadline?
186Q186 Facility RegistrationSome of us are consultants who will be populating e-GGRT on behalf of our clients. Can you explain which role we should be assigned in e-GGRT?
187Q187 Facility RegistrationIs the technical person who prepares the information for signature the "Agent" in your terminology?
188Q188 Facility RegistrationSome reporters may have the Designated Representative (DR) and (ADR) at the plant, but a corporate employee will coordinate all the reporting. Can one employee be set up as an Agent for all plants?
189Q189 Facility RegistrationCan Agents be removed at any time?
190Q190 Facility RegistrationDoes an e-GGRT user have access to multiple facilities from one login if he or she is helping multiple clients?
191Q191 Facility RegistrationCan an Agent appoint another Agent?
192Q192 Facility RegistrationCan a contractor register for e-GGRT on behalf of a client? Or should it only be an employee?
193Q193 Facility RegistrationIs there a limit to the number of Agents or Alternate Designated Representatives (ADR) for any one company?
194Q194 Facility RegistrationI am a technical professional who will be preparing the report for my plant manager to certify. Should we both go through the process for setting up a user profile? Can I be set up as a user even though I will not certify the submission?
195Q195 Facility RegistrationMust the Designated Representative (DR) and Alternate Designated Representative (ADR) appoint the same Agents?
196Q196 Facility RegistrationIs it possible for an Agent to prepare annual greenhouse gas (GHG) reports as well as submit reports?
197Q197 Facility RegistrationDo Agents need to be set up by the Designated Representative (DR) and Alternate Designated Representative (ADR)?
198Q198 Facility RegistrationDoes the person setting up have access to our facility data in e-GGRT?
199Q199 Facility RegistrationWhat address information should be entered for suppliers reporting at the company level?
200Q200 e-GGRT (General)What are e-GGRT system requirements?
201Q201 e-GGRT (General)How do I turn on Javascript in my browser?
202Q202 e-GGRT (General)Will my browser back button work when using e-GGRT?
203Q203 e-GGRT (General)Will e-GGRT timeout due to inactivity? When does e-GGRT save?
204Q204 User RegistrationI am a CAMD Business System (CBS) user. What information will be imported to e-GGRT during user registration?
205Q205 User RegistrationAre the Certificates of Representation still required to be submitted if EPA has the current Designated Representative (DR) registered in CAMD Business System (Part 75 CAIR)?
206Q206 User RegistrationIf someone has both a CAMD Business System user account and a CDX account which one do they use to log in to e-GGRT?
207Q207 e-GGRT (General)I use both CAMD Business System (CBS) and e-GGRT. Which system should I use to update my user or facility profile?
209Q209 User RegistrationIs it mandatory to link the CAMD Business System Designated Representative (DR) user account with the e-GGRT DR user account?
211Q211 e-GGRT (General)I report emissions using ECMPS and CAMD Business System (CBS). Do I also have to submit reports using e-GGRT?
212Q212 e-GGRT (General)Do you expect that most current CDX users will become e-GGRT users?
213Q213 e-GGRT (General)If I complete user registration in e-GGRT, can I use my e-GGRT user ID to log in to CDX?
214Q214 Facility RegistrationDoes the Designated Representative (DR) have to be a vice president? Can an environmental manager prepare reports?
215Q215 Facility RegistrationCan the Alternate Designated Representative (ADR) create a user profile before a Designated Representative (DR)?
216Q216 Facility RegistrationHow does a consultant enter data for a client who is the Designated Representative (DR)? What does a consultant do on the DR and Alternate Designated Representative (ADR) screen, since the consultant is neither the DR nor authorized to appoint the DR.
217Q217 Facility RegistrationCan a company designate more than one Alternate Designated Representative (ADR)?
218Q218 e-GGRT (General)Does facility data have to be entered manually or can you upload the data using files?
219Q219 Facility RegistrationCan I register and appoint myself as the Alternate Designated Representative (ADR) and my boss as the Designated Representative (DR), but I will not get an invitation to accept the appointment until he registers and accepts?
220Q220 Facility RegistrationWhat is the process for changing a Designated Representative (DR) or Alternate Designated Representative (ADR)?
221Q221 Facility RegistrationLike the Electronic Signature Agreement, does the Certificate of Representation need to be printed out, signed and mailed to EPA?
222Q222 Facility RegistrationDoes a Designated Representative (DR) need to grant or appoint a consultant access to their facility?
223Q223 Facility RegistrationCan an ADR be appointed after the registration deadline?
224Q224 Facility RegistrationFor the Environmental Mgr to become the Designated Representative (DR) does he or she need a formal letter from the facility owners? Does that letter need be submitted with the signature page?
225Q225 Facility RegistrationCan an e-GRRT user enter in (but not sign, submit) all facility greenhouse gas (GHG) emissions without being a Designated Representative (DR), Alternate Designated Representative (ADR) or Agent?
226Q226 Facility RegistrationThe Designated Representative (DR) may appoint one Alternate Designated Representative (ADR) at each facility or supplier. If my operation is both a facility and a supplier can the DR be two different people, one for the facility and one for the supplier?
227Q227 Facility RegistrationWhat is the difference between a Designated Representative (DR) and Alternate Designated Representative (ADR), and an Agent?
228Q228 Facility RegistrationWhat events require the Designated Representative (DR) or Alternate Designated Representative (ADR) to resubmit a Certificate of Representation for the facilities they represent?
229Q229 e-GGRT (General)What is e-GGRT?
231Q231 e-GGRT (General)When will EPA offer training on e-GGRT?
234Q234 XML ReportingWill e-GGRT and its XML Reporting Schema account for reporting requirements promulgated for future reporting years?
236Q236 e-GGRT (General)During what hours will Greenhouse Gas Reporting Program (GHGRP) Help Desk support available?
237Q237 e-GGRT (General)Do Greenhouse Gas Reporting Program (GHGRP) reporters have to submit Monitoring Plans?
238Q238 e-GGRT (General)Where should I submit rule related questions on Part 98?
239Q239 e-GGRT (General)How do I contact the e-GGRT Help Desk?
240Q240 User RegistrationThe address shown for the Electronic Signature Agreement submission looks like a street address. Can we send the Electronic Signature Agreement via regular mail, certified mail or other express mail?
241Q241 User RegistrationSimilar to Toxics Release Inventory (TRI), does only the certifier need to complete the Electronic Signature Agreement or do all users and Agents?
242Q242 User RegistrationWill it be possible to get a copy of the e-GGRT Terms and Conditions so I can review them in advance?
243Q243 User RegistrationIf a single individual will be entering information for multiple facilities, can a single Electronic Signature Agreement be submitted to cover all facilities or will multiple Electronic Signature Agreements need to be submitted?
245Q245 User RegistrationIf I've already submitted an Electronic Signature Agreement for my CDX account, do I have to submit another one for e-GGRT?
246Q246 User RegistrationIf I've submitted an Electronic Signature Agreement for my CAMD Business System account, will that work for e-GGRT?
247Q247 User RegistrationTo what address do I send the Electronic Signature Agreement?
249Q249 User RegistrationWhy would EPA reject an Electronic Signature Agreement?
251Q251 Facility RegistrationWhat if I can't find my facility or supplier on the e-GGRT facility search page? Will e-GRRT provide the ability to add a new facility?
252Q252 Facility RegistrationDoes the facility registration process need to be completed in one session like the user registration process?
253Q253 Facility RegistrationWill suppliers of fossil fuels (such as natural gas local distribution companies) follow the same procedure to set up a companywide Certificate of Registration?
254Q254 Facility RegistrationOur operation includes a supplier under one subpart and a facility under another. Do they have to have the same Designated Representative (DR)?
255Q255 XML ReportingWhat is XML?
256Q256 User RegistrationDo Agents have a different login from the Designated Representative (DR)?
257Q257 User RegistrationWhat happens if you do not complete user registration in one session? Can you start again later?
258Q258 User RegistrationDoes e-GGRT allow an international address in the user profile?
259Q259 User RegistrationIs there a mechanism to support multiple companies from a single email address?
261Q261 User RegistrationI forgot my e-GGRT user name. How do I retrieve it?
263Q263User RegistrationHow do I reset my expired password?
267Q267 Facility RegistrationIf there is a change in owner or operator, does e-GGRT need to be updated within 90 days?
268Q268 e-GGRT (General)The fifteen minute inactivity timeout in e-GGRT makes me nervous. Can I save as I go?
270Q270 Facility RegistrationWhere can I find the Certificate of Representation to file?
272Q272 Facility RegistrationMust a large company with multiple facilities in different states have one Designated Representative (DR) for all facilities, or can each facility have its own DR?
273Q273 Facility RegistrationIs there any way to be the Agent for all facilities at a company and fill out only one Notice of Delegation?
274Q274 Facility RegistrationIf you want someone to be able to prepare an electronic report but not submit, what role should they have?
275Q275 Facility RegistrationIf the Designated Representative (DR) or Alternate Designated Representative (ADR) changes at a facility but no Agents change, must the DR or ADR submit new a Notice of Delegation for each Agent?
279Q279 Subpart PPTo measure the composition of the CO2 stream, am I limited to the two methods listed in 40 CFR part 98.424(b)(2)?
280Q280 Subpart HHI have a landfill gas powered engine located at a landfill that must report under subpart HH. Under which subpart am I required to report combustion emissions for the engine? What about for a flare located at the landfill?
281Q281 Subpart HHI don't see landfill gas listed in Table C-1, is a there a default high heating value or emission factor I am required to use for landfill gas when calculating emissions for subpart C?
282Q282 Subpart JJCan someone tell me if livestock operations need to report this year or not? I have heard from EPA personnel, Cattlemen industry people and state officials, but continue to get conflicting information.
283Q283 Facility RegistrationHow should the “physical street address” be reported for facilities located offshore?
284Q284 Subpart AThe definition of "owner" and "operator" under 98.6 refers to a "person." Is a person only a single individual?
285Q285 Facility RegistrationI am required to report as both a facility and a supplier under Part 98? How will e-GGRT handle registration and reporting for my facility?
286Q286 Subpart NNIf a natural gas supplier has companies it owns in different states, can the supplier report all of the companies together or should they be separated by state or company name?
287Q287 Subpart OOHow does one handle the calculation of blends such as R-410A? Do we calculate on the basis of the components, e.g., HFC-125 and HFC-32?
289Q289 Subpart NNHow should an LDC determine if it "delivers" more than 460,000 Mscf per year? Does this include quantities delivered to other LDCs and or large end-users? What about natural gas placed into or removed from storage?
299Q299 Subpart AWhat does EPA mean by the term "sequential or simultaneous" in the definition of co-generation?
303Q303 e-GGRT (General)Have any of the equations under the GHG reporting rule been revised, or have any new equations been added since the rule was finalized in 2009?
304Q304 e-GGRT (General)When asked in e-GGRT if a unit has a CEMS, is it specifically referring to a CO2 CEMS?
305Q305 e-GGRT (General)Does the information from the Reporting Forms populate e-GRRT fields or are they just uploaded files? If automatically populated, are these values available for review before submitting the report?
307Q307 Subpart CHow do you report a unit in e-GGRT that uses Tier 2 or 3 for part of the year and CEMS for the remainder of the year?
308Q308 Subpart CHow do you report in e-GGRT a fuel that changed calculation methodology from Tier 1 to Tier 2 for a given configuration during the middle of the year?
310Q310 Subpart AAFor subpart AA in e-GGRT, on the screen to enter CO2 emissions from makeup chemicals, why are there two boxes to check?
311Q311 Subpart AAFor subpart AA in e-GGRT, can a reporter add multiple instances of makeup chemical use?
312Q312 Confidential Business Information (CBI)Will the data I submit in e-GGRT be treated as CBI?
313Q313 Confidential Business Information (CBI)Can I mark my data as CBI in e-GGRT?
314Q314 Confidential Business Information (CBI)Can I designate data as CBI in my XML file?
315Q315 Confidential Business Information (CBI)EPA has said that data submitted during the testing period will not be treated as confidential. Is there a risk that data submitted during testing will be made publicly available?
317Q317 Confidential Business Information (CBI)Are inputs to emission equations whose reporting deadline was deferred until 2013 being collected in e-GGRT?
318Q318 XML ReportingShould reporters include calculation inputs when they upload XML files?
319Q319 Confidential Business Information (CBI)Are reporters required to use the calculation spreadsheets provided by EPA or may they use their own spreadsheets?
320Q320 Confidential Business Information (CBI)Should reporters using the calculation spreadsheets submit them to EPA?
322Q322 Subpart CTo what precision should emission values for CO2, N2O, and CH4 be reported in e-GGRT?
325Q325 Subpart CWhat are biogenic emissions?
326Q326 Subpart CWhat are non-biogenic CO2 emissions?
327Q327 Subpart CIf multiple subparts apply to our sources such as subparts A, C, and D, are we reporting data under all three subparts?
328Q328 Subpart CFor Tier 4 configurations, if there is no missing data, do you still have to report total operating hours in the reporting year and zeros for hours in which substitute data was use?
329Q329 Subpart CIs a blend of natural gas and biogas a unique fuel type that must be added?
330Q330 Subpart CIf a natural gas common pipe is connected to a series of small combustion units and a subpart D unit, how should emissions be reported?
331Q331 Subpart CAm I required to report emissions for emergency generators?
332Q332 Subpart CIs there a limit on the number of units or fuel types listed for an aggregation of units configuration?
333Q333 Subpart CCan you change configuration types from year to year?
334Q334 Subpart CIs there any flexibility in deciding what configuration type I can use for a unit or group of units?
335Q335 Subpart CAm I required to enter emissions for each fuel type?
337Q337 Subpart CIf a facility is permitted to burn fuel of a certain type, is it required to identify that fuel type in e-GGRT?
338Q338 Subpart CFor Tier 3, if I have multiple combustion sources using a single fuel type, should I enter this as an aggregation of units?
339Q339 Subpart DWill a subpart D unit that co-fires biogas have to set up both Subpart D and C modules to calculate the biogenic CO2 per 98.33?
341Q341 Subpart PDoes subpart P require me to account for ammonia emitted as an air emission?
342Q342 Subpart YAre you required to submit information for all of the "facility-level emissions" categories within Subpart Y, even if no emissions exist for some categories?
345Q345 Subpart YFor storage tank emissions reported in Subpart Y, do you enter aggregate emissions or emissions on a tank-by-tank basis?
346Q346 Subpart AAIs a paper making company required to report GHG emissions under Subpart AA if the only source of emissions is on -site combustion?
347Q347 Subpart HHWhat is meant by manufacturer of gas collection system?
348Q348 Subpart HHWhat if two methods are used to estimate waste disposal quantities in a single year? How does a reporter indicate that in e-GGRT?
349Q349 Subpart HHMy facility has a gas collection system and some gas is sent off-site while the rest is consumed on-site. How should I report this in e-GGRT?
350Q350 Subpart HHWhat if I have more than one landfill or more than one cell at my facility, one is closed, one is open, and each has a different waste content?
352Q352 Subpart HHWhat are definitions of wet and dry gas in subpart HH?
353Q353 Subpart HHIf a LFG flow meter malfunctions and is out for service for a week or two, are we required to have a backup meter or can we use the estimating missing data provisions of 98.345 to estimate the gas volumes during the period that the meter was not in place?
354Q354 Subpart HHDo the emission formulas differ from those used in LandGEM?
355Q355 Subpart HHDo we have to use the quantity of waste disposed of for every year since 1960 to calculate the modeled CH4 generation rate?
356Q356 Subpart HHHow far back in the past do we answer questions about the facility? How do we handle unknown information when the site was owned by someone prior?
357Q357 Subpart HHA site has 3 cells. Cells 1 and 2 have active LFG collection systems and cell 3 does not, how do we proceed?
358Q358 Subpart HHIf we have an MSW landfill with other types of landfills (e.g., a C&D portion) at our facility, do we have to count those other non-MSW landfill portions towards our methane generation?
359Q359 Subpart HHIf the landfill accepts only incinerator ash (inert) and does not generate gas, should we consider reporting the quantities of ash?
360Q360 Subpart HHHow do you address a landfill which may have portions of lined and unlined areas at the same landfill?
361Q361 Subpart HHI am required to provide the values of Equations HH-5 to HH-8. How are the waste depth data and surface area data used?
362Q362 Subpart HHHow do we account for highly variable landfill designs with variable depths and different cover cross-sections under Subpart HH?
363Q363 Subpart OODoes the information from the Reporting Forms populate e-GRRT fields or are they just uploaded files? If automatically populated, are these values available for review before submitting the report?
364Q364 Subpart OOHow do I calculate addition to the "net supply"?
365Q365 Subpart OOWhy do net additions of GHGs have to be added manually when they already exist in the uploaded
366Q366 Subpart OOCan we upload multiple copies of the same file if we have more than 10 processes? How will eGGRT know that the second copy is a report for processes 11-20 and not just an overwrite of the report filed for processes 1-10? For more than 10 production processes and multiple forms, can we just fill out Part 2 of the additional forms (process information, not facility information)?
387Q387 Subpart LAre processes with scrubbers that decompose F-GHGs required to submit the one-time report required by §98.126i, even though they have no combustion control device and do not technically emit "PICs" from the scrubber vent ?
388Q388 Subpart AWho must submit requests and one-time reports to EPA under Part 98?
389Q389 Subpart HHWithin e-GGRT, how would a landfill handle multiple destruction devices including a portion of the gas sent off-site for destruction? Is there a way to add multiple on-site destruction devices for a gas system?
390Q390 Subpart OOHow do I report imports and exports of refrigerant blends that contain both HCFCs and HFCs?
391Q391 XML ReportingWill XML reporting instructions cover the combination of multiple units at one facility?
392Q392 XML ReportingMy XML editor is showing an error on the namespace declaration. How do I resolve it?
393Q393 XML ReportingWill the e-GGRT XML reporting schema be made available as a single XSD file instead of a number of small files?
394Q394 XML ReportingAre there tools available that will generate an e-GGRT XML file out of the values in our database?
395Q395 XML ReportingCan I enter test data using the web forms, generate a report as XML and use that as a guideline for creating XML files?
396Q396 XML ReportingWhat happens if I upload multiple XML files for a facility during the reporting period? Which one counts as the "official" submission?
397Q397 XML ReportingWill e-GGRT provide an error message that points to the specific tag or data element if an upload fails the schema validation check?
398Q398 XML ReportingI understand that an XML file must cover one and only one facility. Will e-GGRT support uploading XML files for multiple facilities at one time?
399Q399 XML ReportingWhat file extensions does e-GGRT support for XML upload?
400Q400 XML ReportingAfter I use the "Bulk upload of XML" option for a facility can I switch to the "Data entry via e-GGRT web-forms" option?
401Q401 XML ReportingIf I report via web forms this year can I change to XML next year?
402Q402 XML ReportingIs there a required version attribute on the XML schema?
403Q403 XML ReportingIs an XML file submission subject to all the same validation checks as when using the web forms?
404Q404 XML ReportingWill reporters be able to upload an XML file and then edit the data via web forms?
405Q405 GHG Data & PublicationWhat are the benefits of this data?
406Q406 GHG Data & PublicationWhat is the scope of this data?
407Q407 GHG Data & PublicationHow does EPA review the data for accuracy?
408Q408 GHG Data & PublicationShould I be worried about a local facility's GHG emissions?
409Q409 GHG Data & PublicationIn what year was each source category required to begin reporting?
410Q410 GHG Data & PublicationWhat can a facility do to reduce its GHG emissions?
411Q411 GHG Data & PublicationHow is the GHG Reporting Program data different from the U.S. GHG Inventory?
412Q412 GHG Data & PublicationWhat do the quantities of GHG emissions mean in everyday terms?
413Q413 GHG Data & PublicationWhat percentage of total U.S. GHG emissions is covered in the GHG Reporting Program?
414Q414 GHG Data & PublicationHow can I determine what percentage of total GHGs come from a particular sector since the GHG Reporting Program (GHGRP) does not cover 100% of U.S. emissions?
415Q415 GHG Data & PublicationEPA's Data Publication Tool shows a reporting facility nearby, but I don't see a factory or other facility that would emit large amounts of GHGs. Is that a mistake?
417Q417 XML ReportingIs there documentation on how e-GGRT performs rounding in calculations?
420Q420Subpart AWill EPA be specifying an electronic submission format for facilities needing to notify EPA of delayed 2012 reporting under 98.3(b)(1)?
422Q422 GHG Data & PublicationWhy does the reporting tool show dashes for some of the data?
423Q423 GHG Data & PublicationWhat is the difference between direct emitters and suppliers?
424Q424 GHG Data & PublicationWhy can’t I view data from direct emitters and suppliers together?
425Q425 GHG Data & PublicationCan I obtain the raw GHG data?
426Q426 GHG Data & PublicationWill the GHG Reporting Program negate the need for the U.S GHG Inventory in the future?
428Q428GHG Data & PublicationWhen will 2021 GHG data be finalized?
430Q430 GHG Data & PublicationThe factory nearby isn’t listed. Why not?
431Q431 GHG Data & PublicationWhere can I get information on other emissions from these facilities (i.e., toxics, SO2, PM)?
433Q433 GHG Data & PublicationWhat is EPA’s plan for incorporating the GHG Reporting Program data into the U.S. GHG Inventory?
435Q435 Subpart WWho is required to report under subpart W?
436Q436 Subpart WWhat GHG emissions at oil and natural gas system facilities are covered under the rule?
438Q438 Subpart WDo the facility definitions in this rule affect other EPA reporting requirements?
439Q439 Subpart WHow does this final rule relate to EPA’s Natural Gas STAR program?
441Q441 Subpart WWhen registering my subpart W facility in e-GGRT, how should I enter the facility address?
443Q443Subpart WHow is the petroleum and natural gas systems source category defined?
444Q444Subpart WWho must report under subpart W (oil and natural gas systems)?
445Q445Subpart WWhat gases must be reported by oil and natural gas system facilities?
446Q446Subpart WHow are greenhouse gas emissions calculated for subpart W (oil and natural gas systems) facilities?
447Q447 Subpart WWhat information must be reported by subpart W (oil and natural gas systems) facilities?
448Q448 Subpart AWhen must I submit my annual GHG report?
450Q450Subpart ACan I use BAMMs beyond December 31, 2011 for subparts I, L and W?
451Q451 Subpart AWhat are the flow meter calibration requirements?
456Q456XML ReportingDoes e-GGRT support uploading XML files for multiple facilities at one time?
457Q457XML ReportingWhat is an IVT Inputs XML file?
455Q455 Subpart AWill EPA provide a template for the monitoring plans and review plans?
460Q460 Subpart WWill EPA provide a tool to assist oil and natural gas system facilities in assessing their applicability under this rule?
461Q461 Subpart WWhen does reporting for subpart W begin?
462Q462 Subpart WDoes the final rule amending 40 CFR Part 98 apply to both onshore and offshore petroleum and natural gas production?
463Q463 Subpart WAre sites in south Louisiana located within the State boundaries in lakes, bays, and bayous (not in Federal waters but subject to the ebb and flow of the tide) considered to be seaward of the terrestrial border and thus offshore?
464Q464 Subpart WAre emissions from stationary sources of fuel combustion to be quantified and reported in accordance with the methodologies specified in 40 CFR Part 98 Subpart C and not as described in BOEMRE's GOADS instructions?
465Q465 Subpart WDoes an offshore facility reported in the GOADS 2008 that did not exceed the combined emissions threshold for subparts C and W sources of more than 25,000 metric tons CO2e have to report GHG emissions for RY2011 if emissions exceed this threshold?
466Q466 Subpart WWould an offshore facility that emits 20,000 metric tons CO2e from from subpart W sources based on GOADS calculation methodology and 10,000 metric tons CO2e from stationary combustion sources be required to report GHG emissions during 2011?
467Q467 Subpart WCan we use 2011 BOEMRE data, rather than the previously available data from 2008, for reporting RY2011 emissions from an offshore petroleum and natural gas production facility?
468Q468 Subpart WIf an offshore oil and gas production platform or facility is farther out in the ocean than the limit of state waters, as defined by the Submerged Lands Act, does that facility have to report emissions data to EPA for Subpart C?
470Q470 Subpart WIs it necessary to monitor of "hours operated" for "natural gas, diesel, and dual-fired turbines" as required in Subpart W via GOADS.
471Q471 Subpart WHow are new offshore facilities that are subject to GOADS supposed to report in 2012? Since published GOADS data are not available, should they be using the GOADS methodologies to calculate the emissions?
478Q478Subpart WAre the emissions factors listed in Table W-1A for both leaking components and non-leaking components? How do you calculate emissions from leaking components if onshore petroleum and natural gas source are not required to monitor components?
479Q479 Subpart WIn 98.233(j)(1) is the average thoroughput of oil an annual or daily average?
480Q480 Subpart WHow should the daily oil throughput for onshore production storage tanks be determined to compare with the threshold of 10 barrels a day in 98.233.j(1)?
481Q481Subpart WWhich calculation from 98.233(o) should be used for centrifugal compressor venting at onshore petroleum and natural gas production facilities?
482Q482Subpart WDoes EPA have the hydrocarbon basin map referenced in 98.238 available on their website?
483Q483Subpart WFor combustion equipment that triggered Subpart C reporting, can this be incorporated into Subpart W reporting for CY2011, or will there be 2 separate (Subpart C and Subpart W) reporting schema?
484Q484Subpart WSection 98.230(a)(3) states that processing plants "that do not fractionate but have an annual average throughput of 25 MMscf per day or greater" are included in the source category.  Is this based on annual average daily flow or max design capacity?
485Q485Subpart WWhat is the definition of  "fractionate" and "fractionation" in 98.230(a)(3)?
487Q487 Subpart WUnder onshore natural gas processing where are vent emissions reported?
488Q488Subpart WIn 98.230(a)(3), is 25 mmscf per day the design capacity for a processing plant or the actual capacity?
489Q489Subpart WIf a natural gas processing plant is co-located with an underground storage facility and they share compression, can they report as one combined facility?
490Q490Subpart WIf fuel gas lines are not owned or operated by a gas processing facility, but are on the gas processing facility property, do the fuel gas lines need to be monitored for equipment leaks?
491Q491Subpart WPlease confirm that a facility which processes an inlet gas stream with a methane content of less than 70% by volume, and a heating value of less than 910 Btu per standard cubic foot is excluded from the Onshore Natural Gas Processing segment.
492Q492Subpart WAre facilities designed solely to fractionate natural gas liquid streams (and do not receive a gaseous form of natural gas containing methane) subject to subpart W?
493Q493Subpart WHow should I calculate the reporting threshold for onshore natural gas processing plants that do not fractionate gas liquids?
494Q494Subpart WWhat is the basis for the 25 MMscfd threshold for gas processing facilities in 98.230(a)(3) and how often must a facility re-evaluate whether it falls below this threshold?
495Q495Subpart WWhich takes precedence for determining the Subpart W applicability of a natural gas processing facility- the 25,000 MT CO2e threshold (under 98.2(a)(2)) or the 25 MMscf per day throughput (under 98.230(a)(3))?
496Q496Subpart WMay engineering calculations be used for flare gas composition in equations W-19 through W-21 if the flared stream is a combination of gases from before and after the demethanizer as well as hydrocarbon product?
497Q497Subpart WDoes the onshore natural gas processing source category include the dehydrator or "knockout pot" in the example?
498Q498Subpart WUnder subpart W, are we required to calculate potential GHG emissions from compressors at a natural gas processing facility that are only used for refrigeration and use 100% propane?
499Q499Subpart WUnder Subpart W of Part 98, the definition of Natural Gas Processing provides an unclear explanation of fractionation, additionally, fractionation is not defined within the rule.
500Q500Subpart WWhat is the difference between the methods in 98.233(k) and 98.234(a)(1) for monitoring tank emissions?  How do we treat intermittent emission from the storage tank? Can we use an alternative method to quantify the emissions?
502Q502 Subpart WFor transmission tank venting sent to the flare, the reporter is referred to the emissions source for flare stack emissions, but guidance is only provided for upstream production and gas processing in this section.
503Q503 Subpart WIn the natural gas transmission segment, do only condensate tanks at the facilities require leak checks (not other tanks at the facility or not at the facility)?
504Q504Subpart WThe definition of the onshore natural gas transmission compression includes "any stationary combustion of compressors that move natural gas at elevated pressure
505Q505Subpart WHow does a natural gas compressor station that operates compressors for natural gas transmission and an emergency generator determine subpart applicability?
506Q506Subpart WAre CO2 pipelines subject to the Onshore natural gas transmission compression segment under 40 CFR 98 subpart W?
507Q507Subpart WHow do we report emissions from separate facilities that inject or withdraw gas from the same underground storage reservoir?
508Q508Subpart WCould EPA clarify that the natural gas stored in high pressure steel bottles at peak-shaving stations should NOT be considered an underground natural gas storage facility under Subpart W?
509Q509Subpart WWhat is the definition of “facility” for underground storage?
510Q510Subpart WIf a company owns and operates an underground storage facility but the associated storage wellheads are owned jointly with a second company but operated by the second company, should the respective operators to submit separate emission reports?
511Q511Subpart WWhy do natural gas storage facilities not have different emission factors for compressor and non-compressor components like those for the natural gas transmission segment.
512Q512Subpart WDoes Subpart W require reporting of emissions during the salt dome mining process to create an underground natural gas storage facility or does reporting start only when natural gas is introduced for load balancing or storage?
513Q513Subpart WSubpart W Table W-4 has four sections in the final Federal Register publication.  The first and third sections are both labeled "Leaker Emission Factors Storage Station, Gas Service" and both tables have an entry for "Open-ended Line".
514Q514Subpart WHow should we report a facility that combines onshore petroleum and natural gas production and natural gas storage by injecting natural gas for the purposes of both enhanced oil recoveray and storage?
515Q515Subpart WAre dehydration units that are used to dehydrate natural gas extracted from underground storage included within the definition of underground natural gas storage facility?
516Q516Subpart WFor liquefied natural gas facility equipment that is in gas service, is only the equipment listed in Table W-5 (Vapor Recovery Compressor) required to be reported if it is found to be leaking as defined in the rule?
517Q517 Subpart WDo I have to calculate emissions from operational LNG storage tank venting at LNG storage facilities or LNG import or export terminals?
518Q518Subpart WHow are we to treat GHG reporting applicability offshore LNG where the offshore terminal is basically buoy out in the ocean where a ship connects, regasifies the LNG onboard and injects natural gas under pressure into the pipeline?
519Q519Subpart WIs an LNG Storage vessel considered “above ground” if any portion of the vessel is above grade?
520Q520Subpart WAt LNG Storage sites, how should pumps that are internal and submerged be treated?
521Q521Subpart WFor a facility with equipment classified under 40 CFR 98.232(h)(4), is the correct methodology to conduct a leak detection survey as in 98.233(q) and use 98.233(r) to estimate emissions from sources determined to be leaking?
522Q522Subpart WAre LNG storage sites located adjacent to subpart D facilities under “common control” required to report emissions under the subpart D “facility” or should the LDC report the emissions under subpart W?
523Q523Subpart WAre natural gas distribution facilities required to report emissions from residential and commercial customer meters and associated regulator(s) under §98.232(i )?
524Q524 Subpart WFor a liquefied natural gas import facility, do boil-off venting emissions from an LNG storage tank need to be reported?
525Q525Subpart WPlease explain how many leak detection surveys must be conducted a calendar year?  Must a facility indicate in advance how many surveys will be conducted in the year?
526Q526Subpart WWhat happens if an LDC goes out to a custody transfer city gate station year after year and finds that it has no leaking components?  Could EPA provide a sunset provision so that annual leak surveys would no longer be required?
542Q542 Subpart WIn 98.236(c)(3)(i) is the "total throughput off the acid gas removal unit" to be reported is the volume of gas exiting the AGR unit (outlet gas), not the volume of gas vented to atmosphere?
543Q543 Subpart WIn 98.233.d.8 are we allowed to assume that volume fraction of CO2 content in natural gas out of the AGR unit is zero?
544Q544 Subpart WDo acid gas removal units which are used only to sweeten a liquid stream meet the definition of acid gas removal units?
545Q545 Subpart WIf all of the emissions from an AGR unit are recovered and transferred outside of the facility, does the facility still need to calculate emissions pursuant to Section 98.233(d)(11) and then "reduce" the emission to zero?
546Q546 Subpart WCan facilities performing on-site acid gas injection estimate their emissions downward according to the provisions in 98.233(d)(11) for AGR unit emissions recovered and transferred outside the facility?
548Q548 Subpart WFor AGR vents is the use of a meter to measure flow rates required?
553Q553 Subpart WFor which units of measure are we required to calculate and report emissions using Equation W-3? May we use a flow meter to calculate annual emission CO2?
557Q557 Subpart WFor blowdown vent stacks does the 98.233.i reference to containers less than 50 cubic feet total physical volume refer to a gas volume or a physical container volume?
558Q558 Subpart Way average blowdown volumes be used for industry segments (processing, transmission, and LNG imports-exports) where reporting of this emission source is required?
576Q576 Subpart WIn 98.233(e), is the daily thoroughput for glycol dehydrators based on annual average daily thoroughput?
578Q578 Subpart WDo dehydrators which are used to dry a liquid stream meet the definition of dehydrator?
579Q579 Subpart WThe emission methods for dehydrator vents with daily throughputs less than 0.4 MMscfd in the preamble (use flow rate of wet NG and EF) contradict the requirements in the rule (use dehydrator count and EF).
580Q580 Subpart WFor onshore petroleum and natural gas facility dehydrator vents at glycol dehydrators with throughputs less than 0.4 million standard cubic feet per day, can GRI-GLYCalc be used instead of Method 2 in §98.233(e)(2)?
581Q581 Subpart WUnder §98.233(e)(1), emissions must be calculated from dehydrator vents with throughput greater than or equal to 0.4 million standard cubic feet per day. Is this throughput specific to vent throughput or dehydrator throughput?
586Q586 Subpart WFor Equation W-21, Flare Emissions, Do you use "5" for Rj (number of carbon atoms) for hydrocarbons with more than 5 carbons?
588Q588 Subpart WAre flare emissions included in the 98.2(a)(3)(iii) combined emissions from all stationary fuel combustion sources when determining applicability for Subpart W per §98.231(a)?
593Q593 Subpart WEmissions from flares are specifically excluded under 98.232(e) but methods for these emissions are provided in 98.233. Can you clarify which section of the rule is the correct guiding action?
595Q595 Subpart WDoes a simple open pipe with no flare tip count as a flare under 98.233 (n ) in Subpart W?
597Q597 Subpart WUnder Subpart W, under both the onshore production and gas processing source categories, are we required to report emissions from all flares at the gas processing facility or on or associated with a well pad, including emergency flares?
605Q605Subpart WCan data from a state permit-required fugitive emissions monitoring program already in place, which has a lower leak detection rate of 500 ppm, be used to estimate fugitive greenhouse gas emissions under §98.233(q)?
606Q606Subpart WDoes 98.233(q), "Leak detection and leaker emission factors," apply to wellheads, separators at well site, storage tanks and other equipment defined by "production equipment"?
613Q613 Subpart WIs there any way we can get unlocked subpart W screening spreadsheets from the applicability tool?
614Q614 Subpart WThe applicability tool for Onshore Petroleum and Natural Gas has an operating factor for associated gas venting from produced hydrocarbons. How does this operating factor correlate with the barrels of crude oil produced?
615Q615 Subpart WFor a 2011 report with the "Liquefied Natural Gas Storage" option selected, how does the "calculation utility" excel spreadsheet account for "Population Count and Emission Factors" when providing the user with a final CO2e number?
616Q616 Subpart WWhere can I find the screening tool for onshore petroleum and natural gas production?
617Q617 Subpart WDoes EPA offer guidance on how to estimate a worst case scenario for GHG emissions from transmission storage tanks for purpose of determining applicability?
618Q618 Subpart WIn the applicability tool calculation spreadsheets, why do transmission compression and underground storage differ in the units used for vented emission from reciprocating compressor rod-packing venting?
619Q619 Subpart WFor a facility that operates stationary combustion equipment and only became subject to 40 CFR part 98 due to subpart W related emissions, should the monitoring plan have been put in place a by January 1 or April 1, 2011?
620Q620Subpart WWill the proposed amendments to subpart W issued on June 20, 2011 that delay the due date for BAMM extension requests to December 31, 2011 be finalized before the existing deadline in the rule of July 31, 2011?
621Q621Subpart WIs there a PowerPoint presentation available on the reporting rule signed by Administrator Jackson on November 8, 2010 for the petroleum and natural gas facilities?
622Q622 Subpart WDo the emissions from external combustion sources with rated heat capacity equal to or less than 5 mmBtu per hour need to be included in the 25,000 metric ton threshold determination?
623Q623Subpart WMy question concerns the calculation of standard temperature and pressure.  The rule stipulates what standard temperature and pressure are, but how, for an annual average, is actual temperature and pressure defined?
624Q624Subpart WShould self-propelled workover equipment and truck loading and unloading be included for reporting GHG emissions under Subpart W?
625Q625Subpart WHow do I define a facility under subpart W? Are all industry segments included in one annual GHG report?
629Q629 Subpart DDTo what extent does a subpart DD facility include potential subpart C sources located in the same physical structure? Would it include sources using natural gas for comfort heating in warehouses and office complexes on the electric power system?
637Q637 Subpart AWhat should I do if my facility ceased operations?
638Q638 Subpart WFor an onshore natural gas production facility for which I reported stationary combustion emissions under subpart C for RY2010 and for which I will be reporting under subpart W for RY2011, do I need to make any changes to my RY2010 report?
639Q639 Subpart WFor an onshore natural gas production facility that was subject to subpart C for RY2010 and will be subject to subpart W for RY2011, do I report my basin emissions under the same facility registration I used for my RY2010 report?
641Q641 Subpart DDOur utility owns power plants that are subject to Part 98 subpart D and 100-150 substations. Do we report SF6 and PFC emissions under subpart DD as a separate facility or together?
642Q642 Subpart DDOur facility owns SF6- or PFC-containing equipment, but we are not an electric power transmission or distribution entity as defined in 98.308. Are we required to report emissions under subpart DD?
643Q643 Subpart DDShould we report the SF6 and PFC emissions from a substation located at a power plant subject to subpart D under subpart DD? If so, would the SF6 and PFC emissions be reported under the same report as the subpart D emissions or as a separate report?
644Q644 Subpart DDAt what point during the year does the reporting threshold apply for subpart DD?
646Q646 Subpart DDOur facility has SF6 gas cylinders. Do we include those in reporting under subpart DD?
649Q649 Subpart DDHermetic seals should not leak. Do we include the quantity of SF6 contained in hermetically sealed equipment when determining applicability under subpart DD?
651Q651 Subpart WWould a monitoring plan that results in 10% of stations being monitored in each of years 1 and 2, 40% in year 3, 20% in year 4 and 20% in year five, be consistent with the rule language of “approximately equal across all years in the cycle.”
652Q652 Subpart WAre the results of Equations W-11A and W-11B in standard conditions or actual conditions?
655Q655 Subpart WAre geologic provinces 160 and 160A one basin or separate basins for the purposes of defining a facility for onshore petroleum and natural gas production?
656Q656 Subpart YMy fluidized catalytic cracking unit (FCCU) is monitored by a CEMs. How should those emissions be reported?
665Q665 Facility RegistrationHow does EPA define “identification of the facility or supplier” in 98.4(i )(1) with regard to a facility’s certificate of representation?
666Q666 Subpart UUHow does EPA define “identification of the facility or supplier” in 98.4( i )(1) with regard to a facility’s certificate of representation?
667Q667 Subpart WHow do I determine applicability for Subpart W facilities with stationary combustion sources?
669Q669 Subpart UUHow should the “physical street address” be reported for Subpart UU facilities that don’t have a physical street address?
671Q671 Subpart TTIf an industrial landfill did not receive waste in the reporting year but is expected to receive waste in future years, should the landfill be classified as "open" or "closed" for GHG reporting purposes?
672Q672 Subpart TTHow many samples or test results are required if a facility is using a 60-day anaerobic biodegradation test to determine if their industrial waste landfill is exempt from reporting GHG emissions under §98.460(c)(2)(xiii)?
673Q673 Subpart TTMust I report waste streams that are defined as inert and, if I do, what DOC value must I use for this waste stream?
674Q674 Subpart TTMy facility generates construction and demolition (C&D) waste, among other waste streams. Do I need to report my C&D waste?
675Q675 Subpart TTCan you report multiple industrial waste landfills at one facility in e-GGRT?
676Q676 Subpart TTFor evaluating eligibility for the inert waste reporting exemption, can a 60-day anaerobic biodegradation test be used to determine the DOC of a waste stream similar to one managed historically but not received during the first reporting year?
677Q677 Subpart TTFor a facility required to report, what test may be used to determine volatile solids concentration of a waste stream that is similar to an historically managed waste stream that was not received during the first reporting year?
683Q683 GHG Data & PublicationWhat do I do if I see an error in the data shown for a facility?
686Q686 Subpart FFWhat is the definition of facility as it relates to mines and coal mine methane energy plants?
687Q687 Subpart FFIf all of our coal mine methane gets piped offsite to another facility, what do we need to report?
688Q688 Subpart FFDoes the 25,000 ton CO2e per year limit (threshold) apply to the compressors individually, or in aggregate (all such compressors or equipment at the mine)?
689Q689 Subpart FFIs a “methane buster", aka “methane exhauster", (compressor that runs on some of the methane from the borehole) without a flare required to be reported under Subpart FF?
690Q690 Subpart FFWhere do I report CO2 emissions from compressors used at the mine that run on methane?
691Q691 Subpart FFWhat is the definition of portable equipment?
692Q692 Subpart FFWhat is the GWP for methane that is used for this rule?
693Q693 Subpart FFIn equation FF-1, is the value supposed to be standard cubic feet per minute, or actual cubic feet per minute?
694Q694 Subpart FFAre there any provisions for extended inaccessibility of remote sites (e.g., degasification or gob vent boreholes) due to inclement weather (e.g., deep snow) that may restrict site access for weeks or even months?
695Q695 Subpart PWhat is a hydrogen production process unit?
696Q696 Subpart PShould combustion emissions from a steam methane reforming (SMR) furnace be reported under subpart C or subpart P?  Is the answer different if the process heater used to provide heat needed for the SMR reaction has a separate exhaust stack from the SMR unit’s tail gas?
697Q697 Subpart PHow should fuels and feedstocks be reported for hydrogen production process units?
698Q698 Subpart PHow do I determine the quantity of hydrogen produced and the quantity of hydrogen purified?
699Q699 Subpart PHow do I determine the quantity of CO2 emissions produced for hydrogen production process units that use multiple fuels and feedstocks?
700Q700 Subpart YShould material vented to a flare on a daily or otherwise frequent basis due to the cyclic operation of certain units be considered a startup, shutdown, or malfunction (SSM) event in Equation Y-3?
701Q701 Subpart YIn Equation Y-3, startup, shutdown, or malfunction (SSM) events exceeding 500,000 standard cubic feet per day (scf per day) must be reported. What time period and flare gas volume should be used to assess if this threshold was exceeded?
702Q702 Subpart YFor a startup, shutdown, or malfunction (SSM) event lasting several days, should the flare flow term in Equation Y-3 include the cumulative flow for the entire event or only for the day(s) during which the 500,000 scf per day threshold was exceeded?
703Q703 Subpart AWhat must I do if EPA notifies me of a potential substantive error in an annual GHG report?
708Q708 Subpart MM, Subpart LLIf I am a refinery or coal-to-liquid facility required to report under subpart MM or LL and also report direct emissions under another Part 98 subpart, do I need one e-GGRT registered entity or two? Which subparts do I include in each report?
709Q709 Subpart MM, Subpart LLIf my corporation owns refineries or coal-to-liquids facilities subject to subpart MM or subpart LL and also imports and/or exports sufficient petroleum products or coal-based liquid products to be required to report imports and/or exports under subpart MM or subpart LL, can I submit one e-GGRT report or do I need to submit multiple reports?
718Q718 Subpart WWill EPA approve the use of BAMM relating to the measurement of isolation valves at compressors in the shut down depressurized mode that are to be measured at least once every three calendar years?
719Q719 Subpart FFHow do we determine if our underground coal mine is required to report its emissions to EPA?
720Q720 GHG Data and PublicationHow does EPA group the source categories that report GHG data into sectors for purposes of publication?
721Q721 GHG Data and PublicationFor certain sectors, why is the GHG data not necessarily comparable between 2010 and subsequent reporting years?
724Q724 GHG Data and PublicationWhy are emissions from petroleum and natural gas systems – onshore production represented by geographic areas instead of individual point sources?
725Q725 GHG Data and PublicationHow is an R&D project defined for geologic sequestration of carbon dioxide (Subpart RR)?
726Q726 GHG Data and PublicationWhat are the reporting requirements for geologic sequestration research and development (R&D) projects under the Greenhouse Gas Reporting Program?
727Q727 GHG Data and PublicationWhere do I download GHGRP data?
728Q728 GHG Data and PublicationDoes EPA archive past versions of the GHGRP data set?
730Q730 Subpart WWhat emissions are reported for petroleum and natural gas systems facilities?
731Q731 Subpart WWhat segments of the petroleum and natural gas systems sector are covered by the GHGRP?
732Q732 Subpart WDoes the GHGRP include all U.S. emissions from petroleum and natural gas systems?
733Q733 Subpart WWhat percentage of emissions from petroleum and natural gas systems are reported under the GHGRP?
734Q734 Subpart WHow does EPA define a “facility” for petroleum and natural gas systems?
735Q735 Subpart WWhy did EPA require that facilities conducting onshore petroleum and natural gas production report by basin?
736Q736 Subpart WDid all petroleum and natural gas system facilities subject to the Greenhouse Gas Reporting Program report to EPA?
737Q737 Subpart WWhat is the quality of the petroleum and natural gas systems data?
738Q738 Subpart WHow did the use of Best Available Monitoring Methods (BAMM) affect emissions?
739Q739 Subpart WHow does the petroleum and natural gas systems data reported under the GHGRP compare to the data reported to the California Air Resources Board (CARB)?
741Q741 GHG Data and PublicationWhy did some facilities that have emissions below 25,000 metric tons CO2e submit a GHG report?
742Q742 GHG Data and PublicationHow can I generate a list of facilities affiliated with a given parent company? What should I know before I use the parent company data?
743Q743 Subpart HHMy site has a gas collection system that did not operate at all during the reporting year, but did operate in prior reporting years. Which equations should I use to calculate my methane generation and GHG emissions for the current reporting year?
744Q744 Subpart HHCan a site receiving inert or construction and demolition (C&D) wastes in addition to bulk MSW use the “material specific modeling approach” for the inert or C&D wastes and then use the bulk waste DOC value of 0.20 for the MSW?
745Q745 Subpart HHA portion of my landfill is covered with a geomembrane, but e-GGRT does not include that as a choice when asking about the type of cover material used. What should I select? Are there definitions for the types of cover materials?
746Q746 Subpart HHWhat is the best way to determine the surface area of my landfill if there is significant surface topography?
747Q747 Subpart TTWhat is the best way to determine the surface area of my landfill if there is significant surface topography?
748Q748Subpart HHWhat is meant by landfill capacity?
749Q749Subpart WWhat are the notification requirements when an Onshore Petroleum and Natural Gas Production facility, reporting under Subpart W, sells wells and associated equipment in a basin?
750Q750Subpart WWill EPA approve the use of Subpart W Best Available Monitoring Methods (BAMM) relating to the measurement of compressor vents routed to flare?
751Q751Subpart WWill EPA approve the use of Subpart W Best Available Monitoring Methods (BAMM) relating to the measurement of individual compressor vents routed a common manifold?
752Q752 GHG Data & PublicationI recently re-submitted a GHG report. When will EPA update the publication materials to show my revised data?
753Q753 Subpart CHow do I use Equation C-2b to calculate the annual average high heating value (HHV) of my fuel if the rule requires sampling less frequently than monthly?
754Q754 Subpart WWhen are Best Available Monitoring Method (BAMM) requests due for Subpart W reporters?
755Q755 Subpart HHHow are data reported in the previous reporting year carried over into the current year reports?
756Q756 Subpart FFDo I need to calculate the moisture content of the methane emitted from my coal mine?
757Q757 GeneralI registered my facility in eGGRT, but my facility has never been subject to Part 98. What should I do? I’d like to stop getting email communications from EPA about the GHG Reporting Program.
758Q758 Subpart AMy facility does not have a physical street address. How do I report my latitude and longitude to EPA?
759Q759 Subpart AMy facility does not have a physical street address thus, a latitude and longitude is reported as the address on the COR. If the facility's operations have moved do I need to update the facility’s latitude and longitude on the COR?
760Q760 Subpart DIs an electric generating unit (EGU) that has a new unit exemption from the Acid Rain Program (40 CFR 72.7) subject to Subpart D? If not, is it subject to subpart C?
761Q761 Subpart DHow do I report emissions from a new electric generating unit (EGU) that started operations during the reporting year, but did not have the CEMS certified by December 31?
762Q762 Subpart NAre subpart N reporters able to use a default assumption of 1.0 in Equation N-1 for determining calcination fraction of carbonate-based raw materials charged to glass melting furnaces? How does this impact monitoring?
764Q764 GHG Data & PublicationWhy does FLIGHT show a smaller number of suppliers of petroleum products (Subpart MM) in 2010 and 2011 than subsequent years?
765Q765Subpart WHow do I determine “actual” temperature and pressure in emission calculations?
766Q766Subpart WWhat are the requirements for determining the GHG mole fraction for emission calculations when a continuous gas composition analyzer is not available?
767Q767Subpart WWhat are the requirements for determining the volume of gas sent to a flare?
768Q768Subpart WWhat types of instruments are permissible for use in detecting equipment leaks and through valve leakage in Subpart W?
769Q769Subpart WIf a facility does not have a gas-to-oil ratio (GOR) value for a well, what options are available to facilities in order to determine the GOR for associated gas venting and flaring?
770Q770Subpart FF Do I have to keep reporting for an underground coal mine that liberates more than 36.5 million cubic feet of methane per year making it subject to subpart FF but whose total annual emissions from all sources are less than 25,000 metric tons CO2e?
771Q771GHG Data & PublicationWhat is the difference between the Greenhouse Gas (GHG) emission data reported by electric generating units (EGUs) to EPA’s Clean Air Markets Division (CAMD) under Part 75 and to EPA’s Greenhouse Gas Reporting Program under Subpart D of Part 98?
772Q772GHG Data & PublicationWhat are the differences in the universe of electricity generating units (EGUs) that report Greenhouse Gas (GHG) emissions to EPA’s Clean Air Markets Division (CAMD) under Part 75 and to EPA’s Greenhouse Gas Reporting Program under Part 98?
774Q774Subpart MMI'm trying to submit data for subpart MM for RY2013, where are tabs 1 (Measurement Method) and 6 (Crude Oil)?
775Q775Subpart MMThe Crude Oil tab is gone on the RY2013 reporting form, where do I report the quantity of Crude Oil entering my refinery?
776Q776Subpart MMThe Global Warming Potentials (GWPs) for greenhouse gases in the rule have changed. Does this impact my reporting for Subpart MM?
777Q777Subpart MMI have a unit that operates continuously and am not able to complete a calibration of the flow meter without disrupting normal operations. Can I postpone the calibration until the next scheduled maintenance?
779Q779Subpart HHHow do I calculate the collection efficiency for a site where extraction wells were installed in only one third of the landfill but had additional wells installed to cover the entire landfill during the second half of the year?
781Q781Subpart HHIs there an operational hour threshold when calculating fDest for startup operations of a destruction device?
782Q782Subpart HHWhat does the majority of the landfill refer to when determining which oxidation fraction to use in Table HH-4?
783Q783Subpart HHMy facility has more than one landfill gas collection system and the operating hours for the systems are not the same.  How should we report the annual operating hours for multiple landfill gas collection systems?
784Q784Subpart HHFor a facility with two landfills with separate gas collection systems and destruction devices, can I calculate a collection efficiency (CE) for each landfill gas collection and control system, or does the CE have to represent the entire facility?
785Q785Subpart HHWhen can I use a collection efficiency (CE) of 75% from Table HH-3?
786Q786Subpart HHHow should I report substitute data for the annual volume of landfill gas collected and/or the annual average methane concentration of the landfill gas collected?
787Q787Subpart IIWhat equations do I use to calculate emissions for processes without recovery?
788Q788Subpart IIWhat equations do I use to calculate emissions for processes with recovery?
791Q791Subpart IIWhat is the difference between an Anaerobic Sludge Digester and an Anaerobic Reactor?
792Q792Subpart IIShould I submit my calculations and calculation spreadsheets to EPA?
793Q793Subpart IIWhat if my process only has recovery for part of the year?
794Q794Subpart IIIf I have multiple anaerobic lagoons, do I need to report for each one?
795Q795Subpart AAMay I enter zero for pulp production?
796Q796Subpart AAWhat CH4 and N2O emission factors apply for kraft lime kilns and calciners under Subpart AA?
798Q798GHG Data & PublicationWhen is a facility eligible to stop reporting?
799Q799GHG Data & PublicationWhat are the global warming potentials (GWPs) used in publication of GHGRP data?
800Q800GHG Data & PublicationWhat factors could have influenced greenhouse gas trends?
802Q802GHG Data & PublicationWhich facilities are given an orange facility symbol in FLIGHT?
806Q806GHG Data & PublicationWhy do trend lines in FLIGHT not include data reported in 2010?
808Q808Subpart AMy facility has had ownership changes occur in the past few years. Who is responsible for reporting inputs to emissions equations that were deferred from reporting until 2015 for previous years?
809Q809Subpart W What are the current BAMM provisions for reporting year 2015?
810 Q810 GHG Data & Publication How do I turn off compatibility mode in Internet Explorer version 9 or later? 
811 Q811 Subpart A A GHGRP facility is being sold by my company to another company. My company does not want to be responsible for monitoring GHG data or submitting annual reports after the sale. What should we do? 
812 Q812Subpart FF My facility is using MSHA data to report ventilation air methane emissions.  I am having difficulty interpreting the MSHA report.  Is any guidance available on how to correctly interpret MSHA data to report VAM to the GHGRP?
813Q813Subpart WWhat are the optional delayed reporting requirements for wildcat wells and delineation wells?
814Q814GHG Data & PublicationHow do I reference the Greenhouse Gas Reporting Program in a manuscript?
815Q815Subpart WDo I need to update my Subpart W deferred data submission(s) if I resubmit an annual report for RY2011, 2012 or 2013?
816Q816Subpart WPer FAQ 815, I need to update my Subpart W deferred data submission(s) after I have resubmitted an annual report for RY2011, 2012 or 2013. How do I do it?
817Q817Subpart CDo enclosed flare systems have to report emissions under 40 CFR part 98 subpart C?
819Q819GHG Data & PublicationHow are aggregate CO2 totals associated with supplied products determined for petroleum product producers and natural gas liquids fractionators?
820Q820Subpart WWhat data were reported by petroleum and natural gas systems facilities for the first time as part of the Reporting Year 2014 submittal?
822Q822Subpart WHow should a gathering and boosting facility that previously reporting under Subpart C report in RY2016?
823Q823Subpart AWho is eligible to discontinue complying with the GHGRP using the “offramp”?
824Q824Subpart AWhat must I do if I discover a substantive error in an annual GHG report?
825Q825Subpart WHow do I determine the gas to oil ratio (GOR) for my gathering pipelines? 
826Q826Subpart W My gathering pipeline has a GOR less than 300 scf/STB, so it is not part of the Onshore Petroleum and Natural Gas Gathering and Boosting segment. Does the exemption only apply to the pipeline itself, or is all equipment along the pipeline excluded as well?
827Q827Subpart WHow do I determine the gas to oil ratio (GOR) for my oil well operations to decide whether I need to report emissions from completions and workovers of oil wells with hydraulic fracturing?
828Q828Subpart WCan facilities covered by the Subpart W Onshore Petroleum and Natural Gas Gathering and Boosting industry segment use Subpart C emission factors for calculating combustion emissions?
829Q829Subpart WWhat are the Subpart W BAMM provisions for reporting year 2016?
830Q830Subpart AWill the change to the missing data provisions in Subpart A of the December 9, 2016 rule greatly increase reporting burden?
831Q831Subpart DDCan “hermetically sealed-pressure switchgear” under Subpart DD in 40 CFR Part 98 be interpreted consistently with the definitions of “hermetically sealed gas-insulated switchgear” adopted by the Massachusetts Department of Environmental Protection (MDEP) and the California Air Resources Board (CARB)?
847Q847Subpart AWhat should I do if my facility merged into another facility?
848Q848Subpart TTHow should I calculate and report GHG emissions from pulp and paper waste streams present at my facility under Subpart TT?
849Q849Subpart QWhat is the equation to calculate CO2 emissions from an electric arc furnace (Equation Q-5) for Iron and Steel Production facilities (Subpart Q)?
850Q850Subpart NNFor local distribution companies (LDCs) how are the subpart NN end-use categories for residential, commercial and industrial consumers and electricity generating facilities defined? How do those definitions compare with those on the Energy Information Administration’s Form EIA-176? Should the gas volumes an LDC reports to EPA include all gas delivered or just the gas owned by the LDC?
851Q851Subpart CMy aggregation of units/common pipe configuration only contains a few units with a maximum rated heat input capacity ≥ 10 million British thermal units per hour (mmbtu/hr). What should be entered for cumulative maximum rated heat input capacity of the aggregated units? If I only enter the heat input capacity for those units ≥ 10, I receive a data validation error regarding potential-to-emit.
852Q852Subpart DDWhat equipment should be included as new or retired equipment each year for Subpart DD?
853Q853GHG Data & PublicationWhen was GHGRP (FLIGHT) data published in the past?
854Q854GHG Data & PublicationHow did the COVID-19 pandemic impact greenhouse gas emissions reported to EPA in 2020?
855Q855Subpart HHHow does a user create fDest in e-GGRT such that it appears on the page “LANDFILL GAS MEASURMENT LOCATIONS” with the user’s desired fractional value?
856Q856Subpart WAre unintentional natural gas releases such as those resulting from accidental releases from transmission pipelines or well blowouts subject to reporting under the Greenhouse Gas Reporting Program (GHGRP)?
857Q857Subpart PWhat hydrogen production process units must report under subpart P starting RY2025?
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