Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 63466-71-7

Hexachlorobenzene-13C6, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 93952-14-8

2,2',4,5,5'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-73-2