The following stationary engines are exempt from this division (relating to East Texas Combustion), except as specified in §117.3345(b) of this title (relating to Recordkeeping and Reporting Requirements): (1) engines with a maximum rated horsepower (hp) capacity of less than 240 hp; (2) engines used in research and testing; (3) engines used for purposes of performance verification and testing; (4) engines used solely to power other engines or gas turbines during startups; (5) engines operated exclusively in emergency situations, except that operation for testing or maintenance purposes is allowed for up to 100 hours per year, based on a rolling 12-month average; (6) engines used in response to and during the existence of any officially declared disaster or state of emergency; (7) engines used directly and exclusively by the owner or operator for agricultural operations necessary for the growing of crops or raising of fowl or animals; (8) diesel engines; (9) dual-fuel engines; and (10) gas-fired lean-burn engines. |
