Tetrabenz[a,c,h,j]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-11-2

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Phenol-d6, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 13127-88-3

N-Ethyl-N-(2-hydroxyethyl)nitrosamine,1000 µg/mL,acetonitrile,1mL