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

4-Methylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 589-53-7

1-Fluoronaphthalene, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 321-38-0

Trichlorfon, 10.0 µg/ml, Acetonitrile, 10ml