Methyl mercaptan, 2000µg/mL in Toluene, 1ml

Nifursol, 100mg

S-4331 B[a]P/HCB Internal Standard (solvent - Nonane) Product Concentration Hexachlorobenzene-13C6 10 µg/mL 1088,20 Benzo[a]pyrene-d12 100 µg/mL Solvents: n-Hexane

4,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml