Report #16-P-0122, March 29, 2016
What Was Found
Inaccurate or incomplete documentation of the EPA's cost modeling could prevent a third party from obtaining a full and accurate understanding of how the EPA arrived at its cost estimate for the Tier 3 rule.
Report Materials
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Report At A Glance (PDF)(1 pg, 244 K)
- Full Report (PDF)(23 pp, 881 K)