EPA Method 8260B - Purgeable Internal Std Back Catalog number: 27013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677940 Di-n-heptyltin dichloride, 100mg Price on request 2001.12-10MG 2,2',4,5,5'-Pentachlorobiphenyl,neat,neat,10mg, Price on request 680854 PCB 99, 10 µg/ml, Isooctane, 10ml Price on request