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' C'4 tog"ITeckncrslru Page 8 <br /> Groundwater Monitoring Report <br /> ' Project No 724 2 <br /> April 25,2006 <br /> facility contained 49,000 ug/l TPH-G There is TPH-G in the down gradient direction <br /> of the Morita Property but the levels (87 1 ug/l in MW-106) are below or dust above <br /> the laboratory reporting limits of 50 ug/1) <br /> • The low levels of contamination present do not warrant an engineered cleanup Any <br /> pump and treat technology utilized would serve to pull the 749 E Charter Way plume <br /> ' onto the Morita site <br /> Recommendations <br /> • Maintain the current quarterly monitoring schedule as required by SJC/EHD <br /> • A Site Conceptual Model is being developed for submittal to the SJC/EHD This <br /> document will summarize the project status with the inclusion of the January 2006 <br /> ' CPT borehole data and will include a request for site closure <br /> ' 4.0 LINIITATIONS <br /> This report was prepared in accordance with the generally accepted standard of care and <br /> ' practice in effect at the time Services were rendered It should be recognized that definition <br /> and evaluation of environmental conditions is an inexact science and that the state or practice <br /> of environmental geology/hydrology is changing and evolving and that standards existing at <br /> Mthe present time may change as knowledge increases and the state of the practice continues to <br /> improve Further, that differing subsurface soil characteristics can be experienced within a <br /> small distance and therefore cannot be known in an absolute sense All conclusions and <br /> recommendations are based on the available data and information. <br /> ' The tasks proposed and completed during this project were reviewed and approved by the <br /> local regulatory agency for compliance with the law No warranty, expressed or implied, is <br /> made <br />