1,1,1-Trichloroethane, , , 0.5ml

1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene

7,12-Dimethylbenz[a]anthracene, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 57-97-6

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5