WS Disinfection By-Products - Cal Check 1

1,2,9-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 146448-88-6

N-Nitromethanamine-d3, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 38985-53-4

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