Heptachlor, 1.2mL x 100ug/mL, nonane

Trichloroethene, certified, 1ml

beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL,

(S)-(+)-3-Chloro-1,2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 60827-45-4