PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79485 Methyl 9,12-octadecadienoate (C18:2n-6) Price on request 59097 Lithium 6 (Li6) Price on request 70004 Base/Neutrals Extractables Mix #4 - MISA Price on request