Terbufos-sulfoxide, 100 µg/ml, Ethyl acetate, 5m

Thionazin, 10.0 µg/ml, Acetonitrile, 10ml

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

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,isooctane,1mL,