EPA Method 531.1 Individual Analytes Back Catalog number: 31241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32181 1,3-Dichlorobenzene Price on request 92399 Herbicide Free Acids Price on request 673757 Carbofuran, 100 µg/ml, Ethyl acetate, 5ml Price on request