Calibration Standard Mix 3

2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

6-n-Dodecylnaphthalene-2-carboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 871325-01-8

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