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COMMENT PERIOD ENDS | Proposed Revision to SIP: New Source Review — Significant Emission Rate for Ammonia in PM2.5 Nonattainment Areas
On Monday, Dec. 23, 2019, the comment period ends for the proposed revision to 2019 State Implementation Plan (SIP): New Source Review—Significant Emission Rate for Ammonia in PM2.5 Nonattainment Areas. The comment period began on Nov. 20, 2019.
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