Trichlorfon, 100 µg/ml, Acetonitrile, 5ml

7,10-Dimethylbenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63104-33-6

2,4-Dichlorophenol, certified, 0.25g

Ethylisopropylnitrosamine, 100 µg/ml, Methanol,