Chlorotoluron, 10.0 µg/ml, Acetonitrile, 10ml

2,4'-DDT, 10 µg/mL in Cyclohexane, 10ml

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

18O3-Sodium chlorate, 100 µg/ml water, 1ml