Requirements for Performance Tests If You Monitor Brew Ethanol

For each fed-batch fermenter for which compliance is determined by monitoring brew ethanol concentration and calculating VOC concentration in the fermenter exhaust according to the procedures in § 63.2161, you must . . . Using . . . According to the following requirements . . . Measure VOC as propane Method 25A, a or an alternative validated by EPA Method 301 b and approved by the Administrator You must measure the VOC concentration in the fermenter exhaust at any point prior to the dilution of the exhaust stream. a EPA Test Method 25A is found in appendix A-7 of 40 CFR part 60. b EPA Test Method 301 is found in appendix A of 40 CFR part 63.