D5-Propachlor OA, 5mg

Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL,

Pesticides - Mix 18, 10µg/ml in Cyclohexane, 10ml

6-Nitrochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7496-02-8