EPA Method 8240A Mix #2 Back Catalog number: 84422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8356.12-5MG 2,3,3',5,6-Pentachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 74472-36-9 Price on request 95014 8260 Surrogate/Internal Standard Price on request 678298 4-Chloronitrobenzene, 250mg Price on request