Complete Quantifier User's Guide (PDF, 52 pages, 236K, About PDF)

The Diesel Emission Quantifier should not be used for the calculation of any emission reductions to be incorporated in a State Implementation Plan (SIP) or conformity determination, and certain other technical applications. Please do not continue using the Quantifier until you have read the important usage information.

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For more information about Diesel Emissions Quantifier, please contact us at cleandiesel@epa.gov.

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