EPA Method 525 - PCB Standard Back Catalog number: 19063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended UFA-023S Methyl cis-11,14,17-eicosatrienoate C20:3, 10mg/ml in Heptane, 1ml Price on request 66163 2,3,3',4',5,6-Hexachlorobiphenyl Price on request 59834 ICP-MS Mix #1 Price on request