Octachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

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

Perfluoro([5-methoxy-1,3-dioxolan-4-yl]oxy)acetic acid (C6O4), 1.2ml x 50ug/ml, methanol

Silicon (Si)