Propylene glycol methyl ether acetate

2,2'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Nitrogen Calibration Set-High Boiling Solvents, Blanc Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Carbazole Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4141-0 Blank S-4141-03

3-Methylphenanthro[3,4-c]phenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 83844-21-7