Benzoic acid, 250mg

Endosulfan-sulfate, 100 µg/ml, Cyclohexane, 1ml

n-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3461-29-8

1,2,3,4,5,6,7-Heptachloronaphthalene, 1.2ml x 50ug/ml, nonane