For a stationary source using a control device designed to collect and recover VOC, such as a carbon adsorber, the mass balance alternative test as specified in Env-A 805.06 for the combined capture efficiency and control efficiency may be performed in place of compliance stack testing specified in Env-A 804.12.

Source. #7788, eff 10-31-02; ss by #9802, eff 10-31-10; ss by #12762, eff 5-1-19