EPA Method 507 Surrogate Standard Back Catalog number: 19049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66003 PCB No. 3, 100µg/ml in Isooctane, 1ml Price on request 59936 ICP-MS Verification Standard #1A Price on request 70202 Indeno(1,2,3-cd)pyrene Price on request