Tri-o-tolyl phosphate, 1.2ml x 50ug/ml, toluene

PCB No. 156, 100µg/ml in Isooctane, 1ml

Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml

1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1