Clofentezine, 100 µg/ml, Methanol, 5ml

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

Hexachlorobenzene (HCB), 10µg/ml in CY, 10ml

Chloroform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 67-66-3