EPA Method 604.1 Analytes Back Catalog number: 40004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674962 Propisochlor, 10.0 µg/ml, Cyclohexane, 10ml Price on request 59596 ICP-MS Mix Price on request 58245 Rhodium (Rh) Price on request