Parathion-ethyl, 100 µg/ml, Ethyl acetate, 5ml

Naphtho[2,3-a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 196-42-9

Chlorfenson, 100 µg/ml, Acetonitrile, 5ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,