EPA Method 525.2 Pesticide Level 3

Isofenphos

2,3’,4,4’-Tetrachlorobiphenyl (66)

2,3,3',4,4',5,5'-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39635-31-9