3,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

N-ethyl-d5-perfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml

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