2,2’,3,3’,4,5-Hexachlorobiphenyl (129)

3-Amino-9-ethylcarbazole, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132-32-1

Arsenic (As)

4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml