Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

2-Chloronaphthalene

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

4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml