Malfunction means any sudden and unavoidable failure of air pollution control equipment or process equipment or of a process to operate in a normal or usual manner so that emissions of asbestos are increased. Failures of equipment shall not be considered malfunctions if they are caused in any way by poor maintenance, careless operation, or any other preventable upset conditions, equipment breakdown, or process failure.


40 CFR § 61.141

Scoping language

All terms that are used in this subpart and are not defined below are given the same meaning as in the Act and in subpart A of this part.

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