EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63141 2,2',3,4,5,5'-Hexachlorobiphenyl Price on request 72574 p-Nonylphenol (Total) Price on request 57215 Phosphorus (P) Price on request