2,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

Aroclor 1221

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

Lake Michigan Study Solutions of single reference substances KIT: 9 compounds, 10 µg/mL each in isooctane Chiron No. Compound PBDE No. Conc. 1961.12-50-IO 2,4,4’-Tribromodiphenyl ether PBDE-28 50 µg/mL 1962.12-50-IO 2,2’,4,4’-Tetrabromodiphenyl ether