EPA Method 507 - Performance Check Solution Back Catalog number: 19030 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681014 Kresoxim Metabolite 490M09, 10mg Price on request 3197.11-K-IO 10-cis-Undecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-38-9 Price on request DF-136-S 1,3,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request