EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11030.10-100-CY Tolylfluanide-d7 (71.2%),100 µg/mL,isooctane,1mL, Price on request 11118.19-50-T 3,3',5,5'-Tetrabromobisphenol A diacetate,50 µg/mL,toluene,1mL Certan, Price on request 79424 sec-Butanol Price on request