2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Propionic acid sodium salt, 1g

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

Arochlor 1016 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12674-11-2