EPA Method 8091Mix #1 Back Catalog number: 80910 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676954 Perfluorotridecanoic acid, 100mg Price on request 13150-100AC5 Phenols - Mix 4, 100μg/ml in Acetone, 5ml Price on request 679330 Ethyl benzoylformate, 250mg Price on request