EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 97738 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675826 Aclonifen, 100 µg/ml, Toluene, 5ml Price on request 681223 Formothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 676235 Bifenthrin, 100 µg/ml, Isooctane, 1ml Price on request