EPA discusses the changes made in the proposed rule in finalizing the rule and advises that the significant comments received and EPA's responses thereto are available to the public in a Summary and Analysis of Comments document.
The EPA made changes in the proposed rule.
For example, suppose a study estimates that the average WTP for a reduction in mortality risk of 1/100,000 is $50, but that the actual mortality risk reduction resulting from a given pollutant reduction is 1/10,000.