EPA Method 601 Internal Standard

3,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-80-9

Folpet D4, 100 ng/µl, 1.1ml

2,2',3,4,5'-Pentachlorobiphenyl