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Plywood and Composite Wood Products (PCWP) NESHAP:
low risk-subcategory Summary


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1. How Does a PCWP Source Demonstrate that their Facility is Part of the Low-Risk Subcategory?

For an affected source to be part of the delisted low-risk subcategory, they must have a low-risk demonstration approved by the US EPA, and they must then have federally enforceable conditions reflecting the parameters used in their EPA-approved demonstration incorporated into their title V permit to ensure that the affected source remains low-risk. Facilities may demonstrate to the US EPA that their PCWP MACT rule affected source is low risk by using the look-up tables in appendix B of the PCWP MACT rule [PDF] or conducting a site-specific risk assessment as specified in appendix B of the PCWP MACT rule.

Appendix B of the PCWP MACT also specifies which process units and pollutants must be included in a low-risk demonstration, emissions testing methods, the criteria for determining if an affected source is low risk, risk assessment methodology (look-up table analysis or site-specific risk analysis), contents of the low-risk demonstration, schedule for submitting and obtaining approval of a low-risk demonstration, and methods for ensuring that the affected source remains in the low-risk subcategory. If a facility demonstrates that their affected source is part of the delisted low-risk subcategory of PCWP manufacturing facilities, then the affected source is not subject to the MACT compliance options, operating requirements, and work practice requirements in the final PCWP MACT rule.


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