Acetylsalicylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 50-78-2

3,6-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1576-67-6

2,2',3,4',5,6,6'-Heptachlorobiphenyl (188)

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