1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml Back Catalog number: EPA-1240 Availability: In the manufacturer's stock Price on request - + Recommended 680442 alpha-HCH, 100 µg/ml, Methanol, 1ml Price on request S-4142-5-IO 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 Price on request 3342.8-100-AN Chlorothalonil Price on request