EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682846 trans-Cinnamic acid, 1000mg Price on request HBBZ Hexabromobenzene, 1.2ml x 50ug/ml , toluene Price on request 95778 2,4-Dichlorophenol-d3 Price on request