EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50470 ICP Mix - 1.0 µg / mL Price on request 675797 Lasalocid A sodium salt, 5mg Price on request H998400-1MG (S)-Hypoglycine A, 85%, 1mg Price on request