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

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

2,2',4,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60044-24-8

1,2,3,4,6,7-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane