EPA Method 8260B Surrogate Standard

Pyrethrins, 10.0 µg/ml, Cyclohexane, 10ml

17 alpha(H),21 alpha(H)-(22RS)-Trishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-26-8

2,2',4,4',5-Pentachlorobiphenyl (99)