EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B688565 3-Bromo-L-tyrosine, 1g Price on request 2124.12-K-IOX5 Arochlor 1016 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12674-11-2 Price on request 71571 2-Nitrophenol-PFB derivative Price on request