Volatile Mix #4

Diethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

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

L-Valine, 250mg