1,5-Dichloronaphthalene, 1.2ml x 50ug/ml, nonane

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.

Chlorthiophos, 100 µg/ml, Acetonitrile, 5ml

2,3,3',4,4',5'-Hexachlorobiphenyl (157)