Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2

Ethanol 50mg/dL Standard (10 x 1mL)

n-Pentadecylbenzene-d36, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352431-31-3

Pentachloroethane