EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11022.13-100MG Fluconazole, 100mg Price on request 31028 EPA Method 525 - Phthalate Standard Price on request 675080 Triflumuron, 100mg Price on request