WS Disinfection By-Products - Cal Check 4

1,2,4,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,4-Di-tert-butylphenol, 100mg

Aflatoxin B1, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1162-65-8