beta-HCH, 100 µg/ml, Acetonitrile, 5ml

PAH Stock Solution 3, 2µg/ml in Toluene, 1ml

2,6-Dichlorobenzamide, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2008-58-4

17 alpha(H),21ß(H)-(22RS)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0