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

1,2,3,4-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml

All-rac-alpha-tocopheryl acetate for peak id.,30mg

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