4-Ethyltoluene, 100 µg/ml, Methanol, 1ml

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

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

Oxydemeton-methyl, 25mg