Instrument Standard 2 Back Catalog number: 52078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 23004 EPA Method 8260B Surrogate Standard Price on request 11744.12-100-IO 2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 71634 Fenbutatin-oxide Price on request