PCB Congeners Mix #1 Back Catalog number: 95484 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72825 Prosulfuron Price on request 71773 3,4-Dinitrotoluene Price on request 20295 Chlorothalonil Metabolite R471811-13C2,15N2 sodium salt, 2,5mg Price on request