2,2',3,3',4,5,5',6-Octachlorobiphenyl

Isopropalin, 100 µg/ml, Ethyl acetate, 5ml

Nitrogen Calibration Set-High Boiling Solvents 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

Tri-p-tolyl phosphate, 1.2ml x 50ug/ml, toluene