1,2,3,4,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Alkane Mix C5-C20, 2mg/ml in MeOH, 1ml

2-Acetamido-5-nitropyridine, >98%, 5g

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1