EPA Method 608 Pesticides

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-(4-chlorophenyl)-N'-(3,4-dichlorophenyl)urea , 1.2ml x 50ug/ml, methanol

Native PBB Solution/Mixture, 1.2ml, nonane