Clopyralid, 100 µg/ml, Acetonitrile, 5ml

2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Chlorthiophos, 100 µg/ml, Acetonitrile, 5ml

Cholest-5-en-3ß-ol , 600µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 57-88-5