EPA Method 525 - Perchlorinates Back Catalog number: 30029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3729.12-50-IO 4'-Fluoro-2,3,3',4,5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 0274.24-10MG Dibenzo[b,k]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 205-97-0 Price on request C16065000 Phenylmercury-chloride, certified, 0.25g Price on request