Chrysene, 100µg/ml in Acetone, 1ml

Mass-Labelled PFCAs and PFSAs Mix, 2µg/ml in MeOH, 1,2ml

2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

N-Chloroacetyl-2,6-diethylaniline, 100µg/ml AL,5ml