Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2282.10-K-IPX5 4-tert-Butyl-d9-phenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 225386-58-3 Price on request 3311.9-100-CY Anilazine Price on request 96899 EPA Method 8260 - Purgeable Internal Standard Price on request