In October 2009, California’s SB 546 was signed by then Governor Schwarzenegger. The bill provides an increased incentive to recycle and re-refine used oil and lubricants for reuse in the state. In connection with the deployment of SB 546, a life cycle assessment (LCA) of California’s used lubricating and industrial oil management process is required (see here for detail). The results of the LCA will be summarized for presentation to the California legislature, and will be used to enhance the effectiveness of used oil recycling in the state. As per ISO 14040, the LCA is subject to a neutral, third party critical review process. The review serves to ensure that the assumption, data and calculations in the LCA are transparent, reasonable, and justified. EcoShift was awarded a contract to serve as one of the critical review board panelists. The critical review has three phases plus a final review. In the first phase, EcoShift is examining the purpose, goals, and scope of the LCA plan, with particular attention on upstream and downstream boundaries, end-of-life characterization and the displacement method chosen for energy recovery. The second phase of review occurs after life cycle inventories have been completed. Here, EcoShift will concentrate on reviewing data and assumptions for precision, completeness, consistency, and suitability. After the life cycle impact assessment is complete, EcoShift will ensure that the environmental analysis methods and weightings are appropriate for the project. The challenge of this phase is in understanding the nuances of the materials being considered and their impacts in the context of the stated goals and scope of the LCA. The final review is a formal evaluation of the draft LCA report. EcoShift will verify that the results are technically sound and relevant to stakeholders for improving the environmental performance of used oil recycling. EcoShift will also ensure that the results are reported to interpret by policy-makers and stakeholders, without compromising accuracy of the information. Joining the EcoShift review team on this project are Joep Meijer, an LCA expert who work regularly with EcoShift on LCA projects, and Rob D’Arcy, a used oil and waste management specialist. Mr. Meijer brings more than ten years of experience in the LCA field, and currently sits on the board of the USGBC Materials and Resource Committee. Mr. D’Arcy has over 14 years of experience with used oil and is a program manager with the County of Santa Clara’s Hazardous Waste Recycling and Disposal Program. He is the current Chair of the California Product Stewardship Council and President of the California Chapter of the North American Hazardous Materials Management Association.