Native PCB Solution/Mixture for MS Detection, 1.2ml, nonane

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

Palustric acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1945-53-5

2,4,6-Tribromo[13C6]phenol, 1.2ml x 100ug/ml, toluene