Toluene D8, certified, 0.5ml

Alachlor, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15972-60-8

PCB 52-d3, 10µg/ml in Cyclohexane, 5ml

Nitrofen, 100 µg/ml, Ethyl acetate, 1ml