Pentachlorophenol, 100µg/ml in Acetone, 5ml

delta-HCH, 100 µg/ml, Methanol, 5ml

Nitrogen Calibration Set-High Boiling Solvents, Blanc Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

4-Bromofluorobenzene, 250mg