Laserfiche WebLink
Date April 29,2004 <br /> Quarter 1"Quarter,2004 <br /> • ARCO QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility No 760 <br /> Address 225 South Cherokee Lane, Lodi, CA <br /> ARCO Environmental Engineer Paul Supple <br /> Consulting Co/Contact Person URS/Vernon Elarth <br /> Consultant Project No 38466403 OL058 <br /> Primary Agency/Regulatory ID No San Joaquin County Environmental Health Department <br /> Assembly Bill 681 Status Property Owned by Gur reet Dhatt and Kuldeep Dhatt <br /> WORK PERFORMED THIS QUARTER (First 2004): <br /> 1 Performed quarterly groundwater monitoring and sampling <br /> 2 Prepared and submitted quarterly groundwater monitoring report <br /> 3 Site assessment activities <br /> WORK PROPOSED FOR NEXT QUARTER (Second 2004): <br /> 1 Perform quarterly groundwater monitoring and sampling <br /> 2 Prepare and submit quarterly groundwater monitoring report <br /> 3 Complete additional site assessment activities <br /> • QUARTERLY RESULTS SUMMARY (First 2004): <br /> Current Phase of Project Monitoring/Assessment <br /> Frequency of Groundwater Sampling MW-1 through MW-3 sampled quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Is Free Product (FP) Present Onsite No <br /> FP Recovered this Quarter None <br /> Cumulative FP Recovered to Date None <br /> Current Remediation Techniques None <br /> Approximate Depth to Groundwater 58 11 —59 45 feet below ground surface <br /> Groundwater Flow and Gradient Southwest @ 0 001 ft/ft <br /> ANALYTICAL DATA REVIEW: <br /> Please note that during 2003, the laboratory has changed Total Petroleum Hydrocarbons as Gasoline (TPHg) to <br /> Gasoline Range Organics (GRO) The resulting data may be impacted by the potential inclusion of non-TPHg <br /> analytes within the requested carbon range resulting in a higher concentration being reported Where the resulting <br /> GRO concentration is based on a single analyte (t c, a non-TPHg analyte or a single TPHg analyte),the analyte will <br /> be identified if possible <br /> Based on the review of the analytical and hardcopy data (chain-of-custody records, blanks, dilutions, holding times, <br /> LCS/LCSD results,MS/MSD results, and surrogate recoveries), the data are acceptable as reported by the laboratory <br /> with the following limitations <br /> The elevated reporting limits were the result of dilutions performed by the laboratory in order to quantitate a <br /> target analyte(s) <br /> K\WprocessVS BPARC0V076U%QuanerlyNi QTR0417WGWMR IQ04doc Page 1 <br />