Storage Tank Air Emission Calculations

DNR changed databases in 2008 to consolidate its separate emission inventory, permitting, and compliance databases. Because of this consolidation, DNR no longer calculates storage tank emissions. For the 2008 reporting year, storage tank farms should:

• Calculate air emissions using the USEPA TANKS 4.09 program. (exit DNR).
• Enter the calculated pollutants in the ARS process area under the 'Reported' tab.
• Send the Client1.mdb file found in the TANKS4.0 folder on the computer's c: drive as a zipped file via email to Ralph Patterson or Cory Carter. [Note: You will need to zip the file and then email the file. DNR's spam blocker destroys files with a .dbf or .mdb extension.]

[TANKS 4.09D allows users to enter specific information about a storage tank (dimensions, construction, paint condition, etc.), the liquid contents (chemical components and liquid temperature), and the location of the tank (nearest city, ambient temperature, etc.), and generate an air emissions report. Report features include estimates of monthly, annual, or partial year emissions for each chemical or mixture of chemicals stored in the tank. The emissions estimating equations forming the basis of the TANKS 4.09D software program were developed by the American Petroleum Institute (API).]

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