Picolinafen, 100 µg/ml, Acetonitrile, 5ml

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml

4-Chloro-2-methylphenoxy-d3-acetic Acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-14-2

4,4’-DDE