Volatile Standard

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

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

Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml