Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg

Nitrogen Calibration Set-High Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml

Mevinphos, 10.0 µg/ml, Ethyl acetate, 10ml