4-Chloronitrobenzene, 100 µg/ml, Methanol, 1ml

EPA Method 552.2 - Surrogate Standard

1-Isopropylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6158-45-8

2,2',3,3',4,5,5',6,6'-Nonachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane