EPA Method 8260B Mix #5 Back Catalog number: 82445 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679824 Trimethoprim, 100 µg/ml, Methanol, 1ml Price on request 32951 1,4-Difluorobenzene Price on request 95405 Aroclor 1248 & Tetrachloro-m-xylene Price on request