Parathion ethyl, 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

N,N-Diethyl toluamide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 134-62

Perfluoro-3,5,5-trimethylhexanoic acid, 1.2ml x 50ug/ml, methanol