EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1965.12-50-IO 2,3',4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-62-6 Price on request 98484 Triethylamine Price on request 675872 2,4'-Dichlorobenzophenone, 250mg Price on request