EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59892X Calibration Std. #1 Price on request RPC-162AS 2,2,3,4,4,5,6-Heptachlorobiphenyl,182 952,97 Kč 19049 EPA Method 507 Surrogate Standard Price on request