Method 1613 Clean-up Standard, 8ng/ml in Nonane, 20ml

Metronidazole, 250mg

2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules

Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0