Transfluthrin, 10.0 µg/ml, Ethyl acetate, 10ml

3,5-Dibromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

15N3-Atrazine-desethyl, 100 µg/ml, Acetonitrile,

Sulfotep, 100µg/mL in Acetonitrile, 1ml