EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683091 2,3,5-Trimethacarb, 100 µg/ml, Acetonitrile, 5ml Price on request 2582.30-50-T Dibenzo[cde:opq]rubicene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 175289-30-2 Price on request 1558.6-K-ME n-Hexane-d14, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 21666-38-6 Price on request