Leptophos, 100 µg/ml, Ethyl acetate, 5ml

Methabenzthiazuron, 100µg/ml in Acetonitrile, 5ml

3-Hydroxybenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13345-21-6

EPA Method 515.2Methyl Derivatives