Urban dust - Organic contaminants, 2g

9,10-Anthraquinone,1000 µg/mL,toluene,1mL,

1-Bromo-2-chloroethane, 250mg

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