D4-Folpet, 10mg

Pyraclofos, 100 µg/ml, Methanol, 1ml

1,2,3,7,8-Pentabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

13C3-Atrazine-desethyl-desisopropyl, 100 µg/ml, M