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Q73. If a non-Acid Rain unit combusts coal or other solid fossil fuel and has gas monitors installed but does not have a stack flow monitor, is installation and certification of a stack flow monitor required?

Disclaimer This information is intended to provide general and administrative information about 40 CFR Part 98. It does not represent legal advice. This information does not have legally binding effect or expressly or implicitly create, expand, or limit any legal rights, obligations, responsibilities, expectations, or benefits in regard to any person. Facility owners or operators and suppliers are responsible for determining how they would be affected by the requirements of 40 CFR Part 98.

Q73. If a non-Acid Rain unit combusts coal or other solid fossil fuel and has gas monitors installed but does not have a stack flow monitor, is installation and certification of a stack flow monitor required?

A73.  If the unit and the currently installed gas monitors meet all six conditions specified in §98.33(b)(4)(ii), then the Tier 4 methodology must be used, and a flow monitor must be installed and certified prior to the applicable deadline specified in §98.33(b)(5). (See §98.34(c).)


Updated on Jan 23, 2013 17:52
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