ARCHIVED REPORTS_XR0004430 - Laserfiche WebLink

Home Browse Search

Third Quarter Groundwater Monitoring Report September 2003 Boyett Petroleum,419 S.Main,Manteca,CA Page S . FUTURE WORK/RECOMMENDATIONS Implementation of proposed groundwater investigation activities to evaluate the lateral and vertical extent of petroleum hydrocarbon contamination in groundwater up-gradient and down-gradient of the UST area using direct push boring methods were conducted in October 2003 consistent with the Additional Groundwater Investigation Work Plan, dated June 25, 2003, submitted to the SJCEHD and CRWQCB. Destruction of monitor wells MW-4 and MW-5, installation of a replacement monitor well for MW-4, and installation of a 4-inch extraction well were conducted in October 2003; a 72-hour constant rate pump test was conducted in November 2003. This work will be consistent with the Interim Remediation Work Plan, dated June 25, 2003, submitted to the SJCEHD and CRWQCB. A report of the groundwater investigation and pump test will be prepared by Condor for transmittal to the SJCEHD and CRWQCB. In addition, Condor recommends that quarterly groundwater monitoring continue at the site. Water levels in monitor wells MW-1 through MW-3 and MW-6 through MW-9 will continue to be measured on a monthly basis and groundwater samples will be collected for MTBE laboratory analysis through the month of December 2003, LIMITATIONS This report was prepared under the direct supervision of a Registered Geologist in the State of California. The standard of care for all services performed or furnished by Condor is commensurate with the care and skill ordinarily used by a member 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 Boyett Petroleum, and may not be used or relied upon by any other person(s) without the express written consent and authorization of Boyett Petroleum 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, CONDOR EARTH TECHNOLOGIES, INC. CS No. 6430 1p Micheline Doyle Kipf Don Kresse Staff Geologist California Registered Geologist# 00 CAl]F�� �"� CONDOR