EPA Method 8260B - Purgeable Internal Std Back Catalog number: 27013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70805 Pirimiphos-methyl Price on request 96481 Phencyclidine-D5 Price on request 2543.20-10MG Amitriptyline hydrochloride Price on request