Chlorpyrifos, 100µg/mL in MeOH, 1ml

Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-53-2

EPA Method 418.1 - Total Petroleum Hydrocarbons

Isofenphos, 100 µg/ml, Acetonitrile, 1ml