4-Bromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

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

D4-3-Amino-2-oxazolidinone, 10mg

Benz[a]acridine, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 225-11-6