EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0686.29-100-IO (24S)-24-Ethylcholesta-3,5,22-triene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102491-96-3 Price on request 680220 3-Hydroxybutyric acid, 50mg Price on request 8655.12-100-NN Dieldrin-random 13C4 Price on request