Report #2004-P-00012, March 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
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Full Report (PDF)(41 pp, 512 K)