EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679822 Sulfisoxazole, 100 µg/ml, Methanol, 1ml Price on request 73481 Bupropion Price on request 673684 Prothiofos, 100 µg/ml, Ethyl acetate, 5ml Price on request