4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

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

N-Nitrosodi-n-butylamine, 1000μg/ml in MeOH, 1ml

Dimethachlor Metabolite CGA 369873 sodium, 10mg