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Groundwater Analytical Results <br /> The chemical analytical results of groundwater samples obtained from monitor wells at the Site on <br /> February 9, 1995 are summarized in Table 2 Chemical analytical results indicate that no TPHg or <br /> BTEX constituents were detected at or above the laboratory method detection limits from the <br /> groundwater samples collected at the site during this quarter This is consistent with analytical data <br /> obtained from the 1994 4th quarter sampling event Attachment II contains photocopies of the <br /> laboratory analytical reports and chain-of-custody forms <br /> Wastewater Disposal <br /> Purge water generated from the groundwater monitor wells was disposed of on-site with approval <br /> from the San Joaquin County Public Health Services <br /> SITE REMEDIATION <br /> Soil Remediation System <br /> Soil vapor extraction has been selected as an effective technology to remediate the soil impacted with <br /> petroleum hydrocarbons at the site The extracted soil vapor will be treated with an internal <br /> combustion engine equipped with a catalytic converter until hydrocarbon concentrations decrease to <br /> levels where granular activated carbon may be used A workplan for the installation of the system <br /> was submitted to the County in September, 1994 and approved in October 1994 At this time permits <br /> and equipment for the installation of the remediation system are being procured It is anticipated that <br /> the installation of the soil remediation system will be completed during the second quarter of 1995 <br /> This report presents our understanding of existing conditions at the subject Site The conclusions <br /> contained herein are based on the analytical results and professional judgment which are in accordance <br /> with current standards of professional practice, no other warranty is expressed or implied SECOR <br /> assumes no liability for exploratory borings or data reported by other consultants or contractors <br /> Sincerely, G <br /> REMD <br /> F <br /> D� <br /> SECOR International Incorporatedp` 'L <br /> NaBI�; <br /> Mark C Bartee John E Bower, R G �9 <br /> Assistant Geologist Senior GeolgistDFCAL��Q <br /> MCM/JEB mb <br /> Attachments <br /> cc Harland Knoll, San Joaquin County Public Health Services <br /> Elizabeth Thayer, California Regional Water Quality Control Board <br /> SECOR In[ernational Inc Time Oil Company <br /> gl95Man 2 6 April 1995 <br />