EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8673.12 Norflurazon, , Solvent-, Unit , # of units-, Cas.no. 27314-13-2 Price on request BB-155 2,2',4,4',6,6'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 9746.27 THC-Glucuronide (on acid), , Solvent-, Unit , # of units-, Cas.no. 76448-35-6 Price on request