EPA Method 525 Pesticide Standard

2,3',4,4',5,5'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-72-6

Metsulfuron-methyl, 10 µg/ml, Acetonitrile, 10ml

Stavudine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3056-17-5