beta-Endosulfan, 100 µg/ml, Methanol, 1ml

1,2,3,4,5,6,8-Heptachloronaphthalene, 1.2mL x 50ug/mL, nonane

Octachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3268-87-9

3-Ethoxypropyl acetate,1000 µg/mL,MeOH,1mL,