Hexavalent Chromium (Cr +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

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

1H,1H,11H-Perfluoroundecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-70-0