delta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Simazine, 100µg/mL in Acetonitrile, 1ml

1H,1H-Perfluoro-3,5,5-trimethylhexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 238403-51-5

Fentanyl