EPA Method 505Mix Back Catalog number: 92161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-12346-1 1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane Price on request 673700 Tebuconazole, 100 µg/ml, Ethyl acetate, 5ml Price on request 676725 Sulfaguanidine monohydrate, 100mg Price on request