Paraoxon-ethyl, 100mg

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

(20S)-13(17)-Diacholestene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

HBCDD, 100ug/ml in toluene, 1ml