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Office of Inspector General

Report: EPA’s Method for Calculating Air Toxics Emissions for Reporting Results Needs Improvement

Report #2004-P-00012March 31, 2004

What Was Found

Although the methods by which air toxics emissions are estimated have improved substantially in the past 6 years, unvalidated assumptions and other limitations underlying the NTI continue to impact its use as a GPRA performance measure.

Report Materials

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