Dichlofenthion, 100 µg/ml, Toluene, 1ml

6-Nitrobenzo[a]pyrene-d11, 100µg/ml in Toluene, 1ml

2,2',3,4,5,5'-Hexachlorobiphenyl-3',4',6'-d3,100 µg/mL,isooctane,1mL

Diquat dibromide hydrate, 100µg/ml in AL, 5ml