EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57216 Sulfur (S) Price on request 678718 Fenpropidin, 100 µg/ml, Acetonitrile, 1ml Price on request 673692 Pyriproxyfen, 100 µg/ml, Ethyl acetate, 5ml Price on request