D2887 Calibration Solutions, in chloroform, 1ml

Sodium perfluoro-1-hexane[18O2]sulfonate, 1.2ml x 50ug/ml, methanol

Propanol Standard

2,2',3,4,4',5,5'-Heptachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-29-3