EPA Method 552.1 - Surrogate Standard

Nefazodone hydrochloride,1000 µg base/mL,MeOH,1mL,

2,3,3',5,5',6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-46-1

N-Nitrosodimethylamine-d6, 1000µg/ml in dichloromethane, 1ml