EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2094.10-K-IO Dimethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-11-3 Price on request 95824 Chlorinated Pesticide Standard Price on request 6164-3-2T:250MG Perfluorohexanesulfonic acid; PFHxS, 95%, 250mg Price on request