8260B Extra Compounds SS

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

Dichlofenthion, 100 µg/ml, Ethyl acetate, 5ml

2,4,4-Trichlorobiphenyl (BZ-28)