PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

Etaconazole, 100 µg/ml, Acetonitrile, 1ml

2,3,6,7-Tetrachloro-9H-carbazole, 1.2ml x 50ug/ml, nonane

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