O,O-Dimethylthiophosphate, sodium salt, 5mg

2,2’,3,3’,4,6’-Hexachlorobiphenyl

2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

4-Methylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3353-12-6