Cal e-GGRT Help

Subpart AA Emissions Information for Makeup Chemical Recovery

Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.

Created by Peter Kobylarek, last modified by Timothy Kidman on May 23, 2012

This page provides a step-by-step description of how to enter Subpart AA emissions data for makeup chemical recovery.

Adding or Updating Emissions for unit type Make-up Chemical Use

To add or update Subpart AA emissions for unit type Make-up Chemical Use, locate the MAKEUP CHEMICAL USAGE SUMMARY table on the Subpart AA Overview page, and click OPEN.

Click image to expand

Step 1: Equation AA-3 Summary and Result

The annual CO₂ process emissions for this unit are required. To calculate these values download the spreadsheet by clicking the link titled “Use AA-3spreadsheet to calculate”. Fill in the spreadsheet using the instructions in the spreadsheet. After completing the spreadsheet, copy the value of CO₂, calculated by the spreadsheet to this page in the box next to “CO₂ mass emissions from makeup chemicals”.

The Equation AA-3 Summary is presented on the page. You can hover over an element in the equation to reveal a definition of that element.

Step 2: Basis and Substitute value

For each makeup unit or furnace within your facility, Subpart AA requires you to report the following data:

Indicate a substitute value for CaCO₃
Indicate a substitute value for NaCO₃

Step 3: Upload Equation Spreadsheet

When you have finished entering emission results and substitute data, save your AA-3 equation spreadsheet to your computer. Click UPLOAD and select your saved AA-3 equation spreadsheet for upload. Your file path will appear on the screen to the left of the BROWSE button. Next, click UPLOAD and your uploaded file will appear under the heading "Uploaded File Name".

Step 4: Save Your Data

When you have finished entering data and have successfully uploaded your equation spreadsheet, click SAVE.

After you save the data on this page, the next time you open the page, the calculator on the top of the page will display the CO₂ process emissions, rounded to the nearest metric ton. The value displayed is for informational purposes only.

When CO₂ emissions has been entered the Status column on the Makeup Chemical Usage Summary will show “Complete” and the background color for that furnace will show as green.