Volatile Standard

1-(3,4-Dichlorophenyl)urea

8:2Mono-PAPS-d2, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no.

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