Thorium (Th)

rac-(1R,2R,5R,6R,9S,10S)-5,6-dibromo-1,10,11,, 1.2ml x 50ug/ml, toluene

Aldrin, 1000µg/ml in Hexane, 1ml

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