PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended DF-12346789-S Octachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 680967 2-Undecanone, 1ml Price on request 97169 Glucose, Cellobiose & Dextran Ratio Level 4 Price on request