Phenanthrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1517-22-2

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

2-(Dimethylamino)guanosine, 5mg

Adamantane-d16, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 30470-60-1