EPA Method 525 Spike B Back Catalog number: 92313 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 68127 3,3',4,5,5'-Pentachlorobiphenyl (127) Price on request 1999.12-10MG 2,4,4'-Trichlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7012-37-5 Price on request S-4099-1MLX5 Imbentin-N/060 (n = 2-9) 100mg S-4099 Nonylphenol with 6mol ethyleneoxide Price on request