PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended 674205 Ethoxyquin, 250mg Price on request 38087 Total Organic Water Supply (WS) (Kit) Price on request 675244 Paraoxon-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request