Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14102000 Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg Price on request BRPS Native Bromophenol Solution/Mixture, 1.2ml, toluene Price on request L20016600IO PCB No. 166, 10 ng/µl, 10ml Price on request