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JeVAWAar# AWN LAWRENCE LIVERMORE NATIONAL LAB (53,RAf_ORY P.O. Box 808, L-797, Livermore, CA 94551 December 2001 ENVIRONMENTAL REPORT 2000 SHOWS LLNL LLNL: WHO WE ARE, OPERATIONS POSE NO THREAT TO THE PUBLIC WHAT WE DO OR ENVIRONMENT Lawrence Livermore National The recently published Laboratory (LLNL) is a U.S. UC" 5 2" Environmental Report 2000 Department of Energy (DOE) Environmental Report 2000 describes the results of facility operated by the University of LLNL's environmental California. It serves as a national monitoring and compliance resource of scientific, technical, efforts and assesses the and engineering capabilities. The impact of operations on the Laboratory's mission focuses environment for the year primarily on nuclear weapons and 2000. It concludes that radi- national security but also includes ological doses to the public research into areas such as strategic caused by LLNL operations defense, energy, the environment, are less than 0.1%of regula- biomedicine,technology transfer,the w tory standards. This is about economy, and education. M� „ 8,000 times smaller than the doses received from natural The Laboratory carries out this C background radiation by mission in compliance with local, U.S. citizens, on average. state, and federal environmental regulatory requirements. It does so Lawrence Livermore National Laboratory The environmental sampling with the support of the Environmental and analytical results and Protection Department, which is evaluations generally show continuing low contaminant levels. This responsible for environmental moni- reflects both decreases in historic operations at the Laboratory and its toring and analysis,hazardous waste increasing control of pollutants. management,environmental restora- tion, and assisting Laboratory Environmental compliance activities in 2000 had significant achievements: organizations in ensuring compli- ance with environmental laws and • Livermore site groundwater remediation activities treated more than regulations. 1 billion liters of groundwater,which reduced the concentration and length of contaminant plumes migrating westward off site. LLNL comprises two sites: the Livermore site and Site 300. The • Site 300 environmental remediation activities continue to stop the Livermore site occupies an area of contaminant plumes from migrating eastward off site; there is no 3.28 square kilometers on the eastern longer an off-site plume of contaminants. edge of Livermore, California. Site 300, LLNUs experimental testing • Sanitary sewer discharges were more than 99% compliant with provi- site, is located 24 kilometers to the sions of the wastewater discharge permit. No sewer releases exceeded east in the Altamont Hills and occu- discharge limits for radioactive materials. pies an area of 30.3 square kilome- ters. Environmental monitoring • The highest median concentration of tritium for samples collected at activities are conducted at both sites any air monitoring station in the Livermore Valley was 0.0004%of the as well as surrounding areas. federal guideline. 1