EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33101 1,1,2-Trichlorotrifluoroethane Price on request 0267.24-200-T Dibenzo[a,e]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5385-75-1 Price on request 0947.9-K-IO 3-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1455-18-1 Price on request