EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA17320000AL Terbutryn, 100µg/mL in Acetonitrile, 1ml Price on request 675698 Benzyldimethyloctylammonium chloride, 100mg Price on request 11746.12-100-IO 2,2',3,4',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request