PCB No. 104, 100µg/ml in Isooctane, 1ml

Chloroparaffin C11 55.20% Cl, 10µg/mL in CY, 1ml

2,3,3',4,4'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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