Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

D8-4,4'-DDE, 10mg

1.2,3.4,5.6,10.11-Tetrabenzanthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-00-1

p-Tolyl Sulfate Potassium Salt, 1g