D4-1,4-Dichlorobenzene, 2000 µg/ml, Methanol, 1m

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

EPA Method 525.2 Pesticide Level 1

Dibenzo[g,p]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-68-4