EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72223 Ciprofloxacin, 1000µg/mL in water, 1ml Price on request 50161 Copper and Manganese Price on request CA14971770 Methacrylic acid-methyl ester, certified, 0.25g Price on request