Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

Sodium p-n-tridecylbenzenesulfonate, 100µg/mL in MeOH, 1ml

Acetone-2-13C,2000 µg/mL,MeOH,1mL,

3-Fluorochrysene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 36288-22-9