EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674815 Prothoate, 10 µg/ml, Ethyl acetate, 10ml Price on request 674259 Halfenprox, 10mg Price on request 71201 1-Methyl-2-pyrrolidinone Price on request