EPA Method 8260B Surrogate Standard Back Catalog number: 23004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10685.12-100-IO 2,2',3,4',5-Pentachlorobiphenyl Price on request 38086 Total Water Supply Kit (EPA) Price on request 3329.12-100-CY Carbaryl Price on request