EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66137 2,2',3,4,4',5-Hexachlorobiphenyl (137) Price on request IBPO016 Brilliant Green BS (E 142), 1g Price on request 79318 Endosulfan sulphate Price on request