PCB No. 81, 10µg/ml in Isooctane, 10ml Back Catalog number: L20008100IO Availability: In the manufacturer's stock Price on request - + Recommended T-PFOS Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol Price on request 679705 13C3-Atrazine-desethyl-desisopropyl, 10mg Price on request 92864 Herbicide Free Acid Standard Price on request