Proposed State Implementation Plan (SIP) Revision: Maintenance of the Fine Particulate Matter (PM2.5) 24-hour 35 µg/m3 NAAQS, Limited Maintenance Plan (LMP)

Date Posted: January 10, 2023

This proposed SIP revision is the second PM2.5 maintenance plan for the 2006 24-hour PM2.5 standard of 35 µg/m3 for both of New Jersey’s multi-state areas (the Northern New Jersey, New York and Connecticut area, and the Southern New Jersey, Pennsylvania and Delaware area) in accordance with the requirements of CAA Section 175A.  This SIP revision demonstrates New Jersey’s continued compliance with the 2006 PM2.5 24-hour 35 µg/m3 NAAQS.  The maintenance plan is a limited maintenance plan (LMP) for PM2.5 for both of New Jersey’s multi-state maintenance areas.  The maintenance plan proposal is being submitted as an LMP because the PM2.5 air quality levels at ambient monitoring sites throughout New Jersey’s multi-state areas are well below the NAAQS.  The proposed LMP SIP revision includes:  emission inventories, a maintenance demonstration, a control measures summary, a monitoring data summary and verification of continued attainment, and a contingency plan.

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