EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-27-S 2,7-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 680274 D-Xylose, 250mg Price on request 70598 Crotoxyphos, 1000µg/ml in in hexane:acetone [9:1], 1ml Price on request