Paraoxon-methyl, 100µg/ml in Acetonitrile, 5ml

Low level Nitrogen Calibration Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4142-0 Blank S-4142-05 0.5 S-4142-1

1,3-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Mevinphos, 10.0 µg/ml, Ethyl acetate, 10ml