Organic Acids Mix

N-Nitrosopyrrolidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 930-55-2

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

1,3,5-Trichlorobenzene 1000µg/mL in Hexane, 1ml