2,3-Benzanthracene, 50µg/ml in Toluene, 1ml

Endrin, 100 µg/ml, Methanol, 1ml

Bentazone-6-hydroxy, 10.0 µg/ml, Acetonitrile, 1

EDDP perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL,