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Fourth Quarter 2005 Quarterly Groundwater Monitoring Report Raymond investment Corporation,Stockton,CA Page 3 The laboratory analytical results indicate that none of the analytical constituents were detected at or above 7 the laboratory reported detection limits in the groundwater samples collected from MW-1, MW-2, or MW-3R on-November 18, 2005 This is generally consistent with-histone groundwater monitoring results TPH-G was detected in the groundwater sample collected from MW-1 on May 4, 200 -ata ¢1'� tr-x concentration of 170 micrograms per liter (µg/L) No other constituents have been detected at or above the laboratory reported detection limits in any of the groundwater samples from MW-1 TPH-G and a-h- TEPH-D were detected at concentrations of 92 and 82 �Lg/L, respectively, in the groundwater sample i10 oj'j collected from MW-2 on August 16, 2005 No other constituents have been detected at or above the f laboratory reported detection limits in any of the groundwater samples from MW-2 No petroleum � p hydrocarbon constituents have been detected at or above the laboratory reported detection limits in the f� groundwater samples collected from monitoring well MW-3R �rn1 t, FUTURE WORKMECOMMENDATIONS ! Based on historic groundwater monitoring data for the Site through the third quarter of 2005, Condor recommended consideration for site closure in the Third Quarter Groundwater Monitoring Report, dated October 5, 2005 The results of the current monitoring further substantiate the historic data and support a _ "low risk groundwater" designation for-the Site In a telephone conversation on October 27, 2005, Ms Victoria McCartney of the SJCEHD indicated that she would review the Site for potential closure and requested that groundwater monitoring continue while the potential for closure was evaluated The next quarterly monitoring event, if necessary, is tentatively scheduled for February 2006 r LIMITATIONS This report was prepared under the direct supervision of a Certified Hydrogeologist in the State of Califorma The standard of care for all services performed or furnished by Condor is commensurate with the care and skill ordinanly used by members of the environmental profession practicing under similar " conditions at the same time in the same locality Condor is not responsible for the accuracy and completeness of information collected and developed by others This report was prepared for the sole use of Raymond Investment Corporation and may not be used or relied upon by any other person(s) without the express written consent and authorization of Raymond Investment Corporation and Condor If any changes are made or errors found in the information used for-- - - - this report, the interpretations and conclusions contained herein shall not be considered valid unless the changes or errors are reviewed by Condor and either appropriately modified or re-approved in writing Any questions regarding the content of this document should be addressed to Don Kresse at (209) 234-0518 Respectfully submitted, Reviewed CONDOR EARTH TECHNOLOGIES, INC Cie to M04 Suzanna Cotton 1,10117 Donald F Kresse, P G , C Hg , R -1` Environmental Specialist " Senior Environmental Hydrogeologisl �; : �s�, �r�^ cc Beverly Garcia, Raymond Investment Corporation Victoria McCartney, SJCEHD James Barton, CRWQCB U i �� CONDOR