EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9534.12-50-IO 2,3,3',4,4',5,5'-Heptabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 88700-06-5 Price on request 71563 JP-TS Price on request 2049.17-K-IO Ethyltri-n-pentyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 198958-44-0 Price on request