Laserfiche WebLink
' Geolo kalTeclurfcslnG Page 5 <br /> g <br /> Groundwater Monitonng Report <br /> Project No 662 2 <br /> February 15,2005 <br /> Project Status Review <br /> • GTI's February 20, 2004 "Additional Site Characterization, Soil and Groundwater <br /> Investigation Report" documents the advancement of several Cone Penetrometer Testing <br /> (CPT)borings in December 2003 Groundwater and soil data from these borings clarified <br /> the site conceptual model suggesting that residual contamination is localized beneath the <br /> ' former UST excavation, with the possibility that a submerged MTBE groundwater plume <br /> may be migrating off site <br /> • In our April 19, 2004 work pian GTI proposed additional groundwater plume definition <br /> and an aquifer pumping test The SJC/EHD approved the work plan in their May 21, <br /> 2004 facsimile correspondence The first phase of the work was completed on October <br /> 26 - 27, 2004 with the installation of one extraction well and two monitoring wells <br /> • The performance of a pilot test for dual phase extraction/aquifer pumping was completed <br /> on December 6— 10, 2004 A report on these activities is forthcoming <br /> • All of the site's wells were surveyed in accordance with Geotracker requirements on <br /> November 19, 2004 This data will be incorporated in the next quarterly monitoring <br /> event (151 Quarter 2005) <br /> 3.0 LIMITATIONS <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 /> the 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 /> 1 <br /> 1 <br />