Approval and Promulgation of Air Quality Implementation Plans; Maryland; Deferral for CO2 Emissions From Bioenergy and Other Biogenic Sources Under the Prevention of Significant Deterioration Program; Reopening of Comment Period

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EPA is reopening the comment period for a notice of proposed rulemaking (NPR) published on September 7, 2012. In the NPR, EPA proposed approval of a revision to the Maryland State Implementation Plan (SIP) that would incorporate EPA's "Biomass Deferral" into the Maryland SIP. At the request of Community Research, (College Park, Maryland), EPA is reopening the comment period. Comments submitted between the close of the original comment period and the re-opening of this comment period will be accepted and considered.