PCB No. 169, 10µg/ml in Isooctane, 10ml

Pentachloroaniline, 10.0 µg/ml, Cyclohexane, 10m

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,3-Heptanedione, 250mg