cis-1,2-Dichloroethylene, 100μg/ml in MeOH,2ml

Desfuroyl Ceftiofur Cysteine Disulfide (Contain 5% Ceftiofur), 1mg

1,2,3,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

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