Metribuzin-desamino-desmethyl, 10mg

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

2,3,3',4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

EPA Method 552 Internal Standard