Endosulfan-sulfate 10 µg/mL in Cyclohexane, 10ml

Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

1,1-Dichloroethylene, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-35-4

Tantalum (Ta)