Method 429 Alternate Standard Stock Solution, 1.2ml, isooctane

1,4-Dichlorobenzene-d4

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

Metamitron, 100µg/mL in Acetonitrile, 1ml