DOW 624 Volatile Internal/Surrogate Standard

2,2',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

1-Methyoxypyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 34246-96-3

SDWA Carbon disulfide, MIBK, Naphthalene Cal 1