Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677616 Chlordecone (Kepone), 10.0 µg/ml, Ethyl acetate, Price on request 94830 PCB Congeners Price on request 34591 1,3-Diisopropylbenzene Price on request