D6-Chlorpyrifos-methyl, 10mg

4,4'-Dinitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1528-74-1

Contract Required Detection Limits (CRI) Mix 1

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml