EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51089 MA - EPH Fractionation Surrogate Spike Rev 1.0/1.1 Price on request 10688.12-100-IO 2,2',3,4,6'-Pentachlorobiphenyl Price on request 2798.22-K-ME Dexamethasone,1000 µg/mL,MeOH,1mL Price on request