1,2,3,7,8,9-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,3-Dichloropropionic acid, 100mg

n-Eicosane, ?13C: -33.06, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 112-95-8

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