EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 97738 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0365.17-K-T 2,5-Diphenyl-1,6,6a-trithiapentalene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 103-90-5 Price on request 15900-4155-100AN5 Propazine-2-hydroxy, 100µg/ml in Acetonitrile, 5ml Price on request 52013A Calibration Standard Mix 4 Price on request