EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79637 Bifenazate Price on request 2009.12-100-IO 2,3,4,4',5-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-37-0 Price on request 5MBDE47 2,2',4,4'-Tetrabromo-5-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request