EPA Method 552.2 - Surrogate Standard

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

1-(4-Isopropylphenyl)urea, certified, 0.1g

1-Nitrofluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13177-28-1