2,4’-DDD, 1000µg/ml in Hexane, 1ml

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1-Methylnaphthalene, 250mg

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