[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1-Nitronaphthalene-d7, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 80789-77-1

Total Residual Free Chlorine

5-Methyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2809-64-5