EPA Method 551 Analytes Back Catalog number: 32052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-14002M1-1ML Perfluorooctanesulfonic acid, 100µg/mL in MeOH,1ml Price on request DF-IS-I40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 72649 Bromoform-d Price on request