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Signed Letters for Major Source Boiler Reconsideration

This page contains an August 2013 document with several signed letters granting the petitions for reconsideration of the major source boiler rule for the following issues:

• Definitions of startup and shutdown periods and the work practices that apply during such periods;
• Revised carbon monoxide (CO) limits based on a minimum CO level of 130 ppm; and
• The use of continuous parameter monitoring systems (CPMS), including the consequences of exceeding the operating parameter.

Learn more about the Major Source Boiler Rule.

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