D6-Omethoate, 100 µg/ml, Acetone, 1ml

a-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane

2,2',3,3',4,6'-Hexachlorobiphenyl (132)

TCLP Aqueous Metals