71Method of calculating time, temperature and destruction efficiency

71 Method of calculating time, temperature and destruction efficiency

71 Method of calculating time, temperature and destruction efficiency

(1) For the purposes of this Division, the time elapsing between an air impurity, including landfill gas, entering and exiting an afterburner or flare must be calculated—

(a) using the volumetric flow rate for the air impurity in accordance with TM-2 or CEM-6, and

(b) using a 1 hour rolling averaging period.

(2) For the purposes of this Division, temperature must be calculated—

(a) in accordance with TM-2, and

(b) using a 1 hour rolling averaging period

(3) For the purposes of this Division, the destruction efficiency of plant must be calculated using the following equation—

where—

DE is the destruction efficiency, expressed as a percentage.

MWout is the mass emission rate of the air impurity in exhaust emissions prior to its release into the atmosphere using a 1 hour rolling averaging period.

MWin is the mass feed rate of the air impurity in a waste feedstream using a 1 hour rolling averaging period.