Surrogate Standard Solution, 1.2ml, nonane

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

Alachlor-d13 (2,6-diethylphenyl-d13), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1015856-63-9

Pristane , 1g