12 Analytes in Methanol/Methylene chlorideAcenaphthylene . 200 µg/mL Di-n-butyl phthalate . 200 µg/mL Benzo(b)fluoranthene . 100 µg/mL 1,4-Dichlorobenzene . 200 µg/mL Bis(2-chloroethyl) ether. 200 µg/mL 3,3'-Dichlorobenzidine