Environmental Protection Agency September 19, 2017 – Federal Register Recent Federal Regulation Documents
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Release of Draft Documents Related to the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides
On or about August 25, 2017, the Environmental Protection Agency (EPA) will make available for public comment two draft documents titled, Risk and Exposure Assessment for the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides, External Review Draft (Draft REA) and Policy Assessment for the Review of the Primary National Ambient Air Quality Standard for Sulfur Oxides, External Review Draft (Draft PA). These draft documents were prepared as part of the current review of the primary National Ambient Air Quality Standard (NAAQS) for Sulfur Oxides (SOX). The Draft REA describes draft quantitative exposure and risk analyses for this NAAQS review. The PA, when final, serves to ``bridge the gap'' between the currently available scientific information and the judgments required of the Administrator in determining whether to retain or revise the existing primary NAAQS for SOX.
Air Plan Approval; Maine; Regional Haze 5-Year Progress Report
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Maine on February 23, 2016. Maine's SIP revision addresses requirements of the Clean Air Act (CAA) and EPA's rules that require States to submit periodic reports describing progress toward reasonable progress goals (RPGs) established for regional haze and a determination of the adequacy of the State's existing regional haze SIP. Maine's progress report notes that Maine has implemented the measures in the regional haze SIP due to be in place by the date of the progress report and that visibility in federal Class I areas affected by emissions from Maine is improving and has already met the applicable RPGs for 2018. Maine also determined that the State's regional haze SIP is adequate to meet these reasonable progress goals for the first implementation period covering through 2018 and requires no substantive revision at this time.
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