PCB Congeners 1000 ppb Back Catalog number: 94587 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34591 1,3-Diisopropylbenzene Price on request 681821 Benzalkonium chloride Mix C10-C18, 10.0 µg/ml, Ac Price on request 673141 18O3-Cyanuric acid, 10mg Price on request