Imazapyr

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',3,3',4',5-Pentachloro-4-biphenylol (96.5%), 1.2ml x 48.3ug/ml, nonane

10-Hydroxybenzo[h]quinoline-7-sulfonate sodium salt, 100mg