1,4-Dibromobenzene,1000 µg/mL,isooctane,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

PSA-GCB-Mix for 2007.01 per AOAC

Theophylline, 100µg/ml in MeOH, 5ml