EPA Method 8021B Mix #3 Back Catalog number: 80210 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1928.12-50-IO 4'-Fluoro-2,3',4,6-tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-87-8 Price on request 673790 Dinobuton, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 8481.22-100MG Diltiazem hydrochloride,neat,neat,100mg, Price on request