2,2',4-Trichlorobiphenyl (17)

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

EPA Method 8021B Internal Standard

Chlormadinone acetate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 302-22-7