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University of California Lawrence Livermore l] National Laboratory Ground -Water -Project- Proposed Cleanu Plan ' This document was prepared by LLNL and the U S Department of Energy,with oversight by the U.S.Environmental Protection Agency;California Environmental Protection Agency,Department of Toxic Substances Control;and the Bay Area Regional Water Quality Control Board October 1991 LLNL Proposes Cleanup Plan for Contaminated Opportunities For Ground Water and Soil Community Involvement Lawrence Livermore National Laboratory (LLNL)and the U.S.Depart- Community Meeting ment of Energy (DOE),along with other State and Federal agencies,are You are encouraged to attend a requesting public comments on the preferred cleanup plan for ground water meeting on Wednesday,Novem- and soil contamination at LLNL's Livermore site(Figure 1). ber 6, 1991 at 7 p.m.at the Liver- The preferred method for cleaning up the contaminated ground water is to: more High School's Student Union Building.The address is ■ Extract ground water at about 18 locations throughout the contaminated area and at the contamination sources. The water would then be treated on- 600 Maple Street in Livermore. site at a total of seven facilities that use either ultraviolet light/hydrogen peroxi- The purpose of the meeting will dation or air stripping technology (see explanation on pages 6 and 7). be to discuss the cleanup alterna- For contaminated soils tives under consideration for the LLNL Livermore site,hear concerns, Dub In above the ground water and receive oral and written public a (unsaturated zone), the comments.Representatives from e B Pleasan on ■ d Preferred cleanu P LLNL;DOE;the U.S.Environmental Livermore method is to: East Ave ■ Extract the contami- Protection Agency(EPA);the Cali- Teals Road nant vapors using vacu- fornia Environmental Protection & um-induced venting. The Agency,Department of Toxic Sub- vapors would then be stances Control;and the San Francis- `A- Uwnnon She Study Aro 2 destroyed by catalytic co Bay Area Regional Water Quality oxidation (see page 7). Control Board(RWQCB)will be Figure 1. Location of Lawrence Livermore National Laboratory. available to answer your questions. The proposed cleanup plan is more completely described in a document called the Proposed Remedial Public Review and Comment Action Plan(PRAP). Copies are available at the information repositories listed Period on the back page of this fact sheet. The Administrative Record,which contains (October 18—November 18,1991) all of the documents that will be used to select a cleanup remedy,is located in A 30-day public review and com- the LLNL Visitors Center(see back page for address). ment period on the Proposed Remedi- A final cleanup plan will be selected al Action Plan and Administrative What's Inside after the public has had an opportunity Record begins on Friday,October 18, Site Background.......... to comment on all alternatives that 1991.All interested members of the ks..........................2 Summary of Health Risks..........................3 Fere considered for the LLNL site. public are encouraged to review Tritium..........................................................3 Thus,the preferred alternative may and comment not only on the pre- Evaluation of Cleanup change in response to public com- ferred alternative,but on all of the Alternatives.................................................4 ments or new site information. cleanup options considered.You Description of Extraction and can submit your comments either Treatment Technologies.............................6 The purpose of this fact sheet is to orally(at the community meeting) Why These Alternatives are Preferred ...8 summarize the PRAP and explain how ' Next Steps....................................................8 P or in writing.Written comments Evaluation Criteria.....................................9 you can comment on the Plan. ` may be sent to John Ziagos,LLNL's For More information..............................10 Acting Ground Water Project Lead- UCAR-10280.91-2 er,at the address listed on the back page of this fact sheet.Written com- ments should be postmarked no later than November 18,1991.