EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57149 Indium (In) Price on request 10206.10-K-ME Isopropyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4191-73-5 Price on request 673337 Isoxaflutole, 100 µg/ml, Acetonitrile, 5ml Price on request