EPA Method 525 - PCB Standard

6β-Μethyl Prednisolone 21-Acetate (>90%), 2,5mg

2,2',3,3',4,4',5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 42740-50-1

Pentachloroethane