EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82703 EPA Method 8270A - Mix #16 Price on request 72014 2,4,6-Tribromoanisole Price on request 683844 Iprobenfos, 100 µg/ml, Acetonitrile, 5ml Price on request