4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1

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

2-Ethylhexyl 2,3,4,5-tetrabromobenzoate, 1.2ml x 50ug/ml, toluene

4-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 92-93-3