EPA Method 525.1 Standard Back Catalog number: 94572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679816 Sulfamethoxazole, 100 µg/ml, Methanol, 1ml Price on request 3328.9-100-CY Captan Price on request 672955 Erythromycin, 100mg Price on request