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Netting out of NSR.
When a modification is planned for a stationary source, the owner/operator must submit a preconstruction permit application under the new source review (NSR) program. Existing major sources of any “regulated NSR pollutant” [§52.21(b)(50)] must evaluate whether the modification they are doing is “significant” [§52.21(b)(23)] enough to trigger major source NSR permitting for all regulated NSR pollutants. During the second step of this process, sources that fail the first step may “net out” of major source NSR for a pollutant if the net emissions increase of that pollutant over a multiyear time period (i.e., contemporaneous period) is not significant. [§52.21(b)(3)] Visit our website and find more compliance morsels.
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McCoy and Associates, Inc. makes no representation, warranty, or guarantee in connection with any guidance provided above. McCoy and Associates, Inc. expressly disclaims any liability or responsibility for loss or damage resulting from its use or for the violation of any federal, state, or municipal law or regulation with which such guidance may conflict. Any guidance above is general in nature related to the federal environmental regulations. Persons evaluating specific circumstances dealing with environmental regulations should review state and local laws and regulations, which may be more stringent than federal requirements. In addition, the assistance of a qualified professional should be enlisted to address any site-specific circumstances.
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