EPA Method 609 - Analytes Back Catalog number: 40013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A634500-2.5MG Amoxicillin Tetramer Formate, 2,5mg Price on request 676635 Ethanesulfonic acid, 100mg Price on request 50203 Bromide (Br-) Price on request