Oklahoma DEQ Storage Tank Emissions Calculation Tool For any questions or comments, please contact Richard Kienlen / Phillip Fielder. Floating roof tanks, landing, and cleaning calculations will be addressed in a future release. This release of the tool only includes calculations for fixed roof tanks. NOT Compatible: Internet Explorer browser but does not require an internet connection. Compatible: Google Chrome, Microsoft Edge, Mozilla Firefox (some formatting issues may occur), most mobile devices. Please see in the tool's Instructions panel for any updates. The tool opens in a compatible Compatible Browsers Compatible browsers include the following. You may use the tool below or download it as a standalone. The new AP-42 method corrects errors for more accurate estimates. The tool is based off EPA’s updated AP-42 calculation method, which also replaces the outdated TANKS emissions estimation software. < back to Air PermitsĭEQ has developed a tool for estimating emissions from working and breathing losses from volatile organic liquid storage tanks. See the linked errata for a more complete discussion. In emission calculations for vertical storage tanks, it is recommended to input throughput instead of the number of turnovers to avoid an error. The tool is not recommended for calculating emissions from Horizontal Storage Tanks. A release date for a new version correcting the errors has not been set.

⚠ Errors have been identified that impact versions 21294 and earlier of the Storage Tank Emissions Calculation Tool. Assistance for Citizens, Communities, and Local Governments.Environmental & Public Health Information.State Environmental Laboratory Services.

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