1.% Carbon (Wt. / Vol.) Standard

Omeprazole, 1000µg/ml in MeOH, 1ml

Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3

EPA Method 624 Internal / Surrogate Standard