EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3245.23-K-IO 14-cis-Tricosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105305-00-8 Price on request 1116.16-K-T 3-Nitrofluoranthene-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 350820-11-0 Price on request 96096 Deuterated PAH Mix #2 Price on request