EPA Method 551.1 Performance Check Soln Back Catalog number: 30104 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674780 Bifenox, 250mg Price on request DD-124-S 1,2,4-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request MEOBDES Methoxy-Bromodiphenyl Ethers Solution/Mixture, 1.2ml, nonane Price on request