EPA Method 8260B Surrogate Standard Back Catalog number: 23012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2545.14-250MG (+/-)Atenolol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 29122-68-7 Price on request 40025 EPA Method 630/630.1 Stock Solution #2 Price on request 11690.12-100-IO 2,2',4,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request