Internal standard 2, 2000g/ml in MeOH, 1ml

Anthracene, 10µg/ml in Acetonitrile, 10ml

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

Crotoxyphos, 1000µg/ml in in hexane:acetone [9:1], 1ml