2',4',5'-Trichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

4-n-Butylphenol-2,3,5,6-d4, OD, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 1219795-04-6

Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3