Pentachlorophenol, 100µg/ml in Acetone, 5ml

2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Di-n-hexyl phthalate

Derivative of 1,6-HDIP, 1000µg/ml in DMSO, 1ml