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C. x xxxxcxxcx xxxxxxxxxxxxcxxcxxxxxxxxxxx xx:•:• .pY m Ex xx�Exx cxxx xx cxx�Ex xxidcxxxxmxxxxxxxxxxidcxxxxxxxxxxxxxxxxxx :•:•xxxxxxxxxxxxidcxxx x xxx xxx i' i m 0 m 0 :•:•:fix::: ...x'•''° E:•:•:•:•:•: xx cxxxxxx cx x xx�Exxxxxx:•:•xxxxxxidcxxxxx xxxxxxxxxxxxxxxxxxxxx x x x n°° °°°°°°°°°°°°°°°°c.•.•.•.'°°x.•. xxxx. x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx a 0 :•:•:C33f': xxxx...... xx.......... xxxxxx...... xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxx :•:•xx:•:•:•:•:•:•:•:•:•: xx�E:•:•:•:•x xx�Exx�Exxxx�Exxx xxxxx xxxxxx cxx cx xxx x xxxxxxx xxxxidcx �aaccco 0 x x x :•::•:•:•::•:x xx::::... ..x xxxxxxxxxxxxxxx xxxxxxx KM X lr�.-: xx I Russell Resources, Inc. environmental management Alameda Point RAB Meeting on April 1, 2010 Highlights and Analysis RAB members resent: Dale Smith (Community Co- chair), George Humphreys, Joan Konrad, Jim Leach, Kurt Peterson, Jean Sweeney, Jinn Sweeney, and Michael John Torrey; Marsha Pendergrass facilitated the meeting, but did not act as chair. Dot Lofstrom, the outgoing DTSC project manager for Alameda Point, introduced her replacement: Mr. James Fyfe. They will work together for several months, and the June RAB meeting likely will be Ms. Lofstrom's last. The ARRA's environmental advisor, Dr. Peter Russell, was out of the country until the day after the RAB meeting, so he prepared this month's Highlights and Analysis of the RAB meeting using the Navy's draft minutes. Remediation and other field work in progress: o The Navy is nearing completion of its removal and replacement of several radioactively contaminated storm drain lines originating at Buildings 5 and 400, which discharge into Seaplane Lagoon. This work must be completed before cleanup of contaminated sediment in Seaplane Lagoon begins. o Active subsurface groundwater treatment is complete at IR Sites 14 and 27, along the Oakland Inner Harbor in Northwest Territories and just north of Pier 1, respectively. Both sites are being monitored to verify treatment effectiveness. o The air sparge /vapor extraction system to treat groundwater contaminated with benzene and naphthalene at Alameda Point OU-5 and FISCA IR Site 2 is operating. o The petroleum- contaminated groundwater treatment operation near the Atlantic Avenue entrance is continuing. o In April, the Navy plans to conduct pre dredge sediment sampling of the Seaplane Lagoon in preparation for its remediation. In conjunction with this sampling, sediment samples will be collected near storm drain outfails into Seaplane Lagoon and Oakland Inner Harbor that drain the vicinity of Buildings 5 and 400. These samples will be analyzed for radiological contamination to further evaluate the impacts of former operations in these two buildings. Operable Unit 213 Feasibility Study In May, the Navy plans to issue a revised draft Feasibility Study (FS) for Operable Unit (OU) 2B, which is an area between the Atlantic Avenue entrance to the former base and Seaplane Lagoon and includes Building 360. The Navy reviewed the spectrum of remedial approaches it is considering and its approach to evaluating the alternatives. The FS evaluation will inform the RRI, 440 Nova Albion Way, Suite 1, San Rafael, California 94903 415.902.3123 fax 815.572.8500 Agenda Item #5 -A Joint CC/ARRA/C C Page 2 of 2 Alameda Point RAB Meeting, April 1, 2010 May 4, 2010 Highlights and Analysis Proposed Plan, which is the tentative remedy selection that is presented to the public. Because contamination at OU -213 primarily affects groundwater, most of the revised draft FS will deal with solvent -in- groundwater treatment technologies. Active remediation technologies that have already been used successfully at Alameda Point include, six -phase heating, soil vapor extraction (SVE), in -situ chemical oxidation (ISCO), biosparging, and combinations of these. Concurrent with the CERCLA decision making process for OU -213, the Strategic Environmental Research and Development Program, or SERDP-- --the DoD's environmental science and technology program, is conducting a field research program on Plume 4 -1, the more northerly of the two primary groundwater solvent plumes at OU -213. In addition to providing valuable information for selecting and designing the remediation approach for OU -2B's groundwater, this two -year research effort is expected to advance the state of the art for the environmental cleanups everywhere. 440 Nova Albion Way, Suite 1, Sari Rafael, California 94903 415,992,3123 fax 815.572.8699