EPA Method 502.1 - Liquids Back Catalog number: 30008 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677335 Heptadecafluorooctanesulfonic acid potassium salt, Price on request 90604 Aroclor 1242 Price on request 59039 High Spike 2 - ICP Price on request