EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0053.17-200-T Benzo[b]fluoren-11-one, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3074-03-1 Price on request 53007 (TCLP) Standard for ICP Price on request X9054 4,4’-DDD Price on request