Page: Q77. For 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?
    Page: Q80. If the HHV is known as part of a general energy management system, but not sampled on a routine basis, may Tier 1 be used?
    Page: Q81. If 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)?
    Page: Q82. For 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...
    Page: Q84. For 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?
    Page: Q85. Is 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?
    Page: Q86. Does 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?
    Page: Q87. What 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?
    Page: Q88. If 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...
    Page: Q90. Does EPA accept thermal flow meters for measuring volumetric flow rate under 98.34?
    Page: Q91. Are orifice, venturi, and nozzle flow meters required to have temperature, and total pressure transmitters located on the flowmeters?
    Page: Q93. What should facilities do if the calibration error for fuel flow meters that exceeds the 5.0% performance specification?
    Page: Q95. If 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...
    Page: Q96. Is there a recurring fuel flow meter calibration requirement for Tier 1 and Tier 2 units?
    Page: Q97. Does the calibration exemption for fuel billing meters still apply for common pipe reporting option?
    Page: Q133. Can I use more than 1 Tier Method for my facility?
    Page: Q134. I 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?
    Page: Q135. I 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?
    Page: Q137. I 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?
    Page: Q138. Please explain what High Heat Value (HHV) testing is and how a school's EH&S personnel would know if this is occurring?
    Page: Q139. Would 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...
    Page: Q140. Would the following be considered stationary or portable sources, assuming their location falls within the definition of facility?
    Page: Q146. Many 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.
    Page: Q149. If coal comes from the same source, how many deliveries must be analyzed to have a representative sample?
    Page: Q307. How 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?
    Page: Q308. How 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?
    Page: Q322. To what precision should emission values for CO2, N2O, and CH4 be reported in e-GGRT?
    Page: Q325. What are biogenic emissions?
    Page: Q326. What are non-biogenic emissions?
    Page: Q327. If multiple subparts apply to our sources such as subparts A, C, and D, are we reporting data under all three subparts?
    Page: Q328. For 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?
    Page: Q330. If a natural gas common pipe is connected to a series of small combustion units and a subpart D unit, how should emissions be reported?
    Page: Q331. Am I required to report emissions for emergency generators?
    Page: Q332. Is there a limit on the number of units or fuel types listed for an aggregation of units configuration?
    Page: Q333. Can you change configuration types from year to year?
    Page: Q334. Is there any flexibility in deciding what configuration type I can use for a unit or group of units?
    Page: Q335. Am I required to enter emissions for each fuel type?
    Page: Q337. If a facility is permitted to burn fuel of a certain type, is it required to identify that fuel type in e-GGRT?
    Page: Q338. For Tier 3, if I have multiple combustion sources using a single fuel type, should I enter this as an aggregation of units?