WS Disinfection By-Products - Cal Check 1

Ammonium polyphosphate (Phase II n>1000), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 68333-79-9

1-(2,4,5-Trihydroxyphenyl)butan-1-one, 50mg

1,4-Dimethylnaphthalene, 10mg