EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679876 2-Naphthylamine, 100 µg/ml, Acetonitrile, 1ml Price on request 9513.12-100-IO 4-Chloro-2'-fluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72093-45-9 Price on request 676750 D4-Dithianon, 5mg Price on request