2,3,4,5-Tetrachlorophenol acetate, 10.0 µg/ml, Is

2,4,4,5-Tetrachlorobiphenyl (BZ-74)

Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile,

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3