2,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Tolfenpyrad, 10.0 µg/ml, Acetonitrile, 10ml

QC Metals Mix