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Clean Air Markets

Final Update to NOx SIP Call Regulations: Emissions Monitoring Provisions in State Implementation Plans Required Under the NOx SIP Call

The Environmental Protection Agency (EPA) is updating the regulations that were originally promulgated in 1998 to implement the NO_X SIP Call.

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Update to NOX SIP Call Regulations: Emissions Monitoring Provisions in State Implementation Plans Required Under the NOX SIP Call (PDF)(83 pp, 623 K)