EPA Method 8240A Calibration Check Compounds

1,3-Dioleoylglycerol, Stock solution, 5000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 25637-84-7

3-Perfluoropentyl propanoic acid (5:3), 50µg/ml in MeOH, 1,2ml

Decafluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 434-90-2