EPA Method 624 Analytes Back Catalog number: 40120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52004 Magnesium Nitrate Modifier Price on request 79348 Chlorpyrifos methyl Price on request 73391 Acrylamide-2,3,3-d3, 1000μg/ml in Acetonitrile, 1ml Price on request