Ethidimuron, 10 µg/ml, Acetonitrile, 10ml

4-Hydroxycarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52602-39-8

Disulfoton-sulfone, 10µg/mL in Cyclohexane, 10ml

PCB No. 156, 10µg/ml in Isooctane, 10ml