1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml

4-OH-Pyriproxyfen (4'-OH-pyr), 100 µg/ml, Acetoni

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

1,3-Dimethylnaphthalene, 10mg