beta-HCH, 100 µg/ml, Acetonitrile, 5ml

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

5ß(H)-Cholanic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 546-18-9

3'-Fluoro-2,3,4,4',5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.