EPA Method 1664 - Oil & Grease (Sonicate) Back Catalog number: 91958A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673533 4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 73002 Sodium L-lactate Price on request 0030.26-200-DC Dibenzo[b,k]chrysene, 200µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 217-54-9 Price on request