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Mr. Joseph & Ms <br />PO Box 1072 <br />San Ramon CA <br />San Joaquin County <br />Environmental Health Department <br />600 East Main Street <br />Stockton, California 95202-3029 <br />Website: www.Sjgov.org/ehd <br />Phone: (209) 468-3420 <br />Fax: (209) 464-0138 <br />Rosanna Panetta <br />94583 <br />May 13, 2009 <br />Subject: Panetta Property (former UST) <br />95 W. 11'h Street <br />Tracy, CA 95376 <br />DIRECTOR <br />Donna Heran, REHS <br />ASSISTANT DIRECTOR <br />Laurie Catulla, REHS <br />PROGRAM COORDINATORS <br />Mike Huggins, REHS, RDI <br />Margaret Lagorio, REHS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, Rpl <br />Kasey Foley, REHS <br />APN: 233-130-27 <br />Site Code: RO#:727 <br />SWRCB-CUF##: 17963 <br />The San Joaquin County Environmental Health Department (EHD) has received Quarterly Update <br />-First Quarter 2009 and Closure Consideration Request (Request) dated April 9,. 2009 submitted <br />by Advanced GeoEnvironmental Inc. and has the following comments. <br />The Request stated that due to the current status of the State of California Underground Storage <br />Tank, Cleanup Fund (USTCF), you can no longer afford to conduct quarterly monitoring and <br />request a suspension of quarterly ground water monitoring (wells MW -5 through MW -14) at the <br />site pending site closure. <br />The EHD cannot approve a suspension of quarterly monitoring, but can approve a reduction in <br />'the frequency of sampling, laboratory analyses, and .reporting the ground water data from the <br />.monitoring wells associated with this site. Please be aware that the California Code of <br />'Regulations, Title 23, Section 2652 requires owners of contaminated underground storage tank <br />(UST) sites to report quarterly on the status of their site to the lead regulatory agency <br />overseeing the investigation. The report must include an update on specific information and <br />results of all corrective action (investigation) which has occurred during the period. An item that <br />must be discussed in each quarterly report is future investigative actions and a time schedule <br />for implementing the actions. You may prepare this .report yourself unless geologic or <br />engineering interpretation is included which would require that it be prepared -by an <br />appropriately registered professional <br />The most current ground water data on Geotracker indicates that only .two monitoring wells <br />contain dissolved petroleum constituents.Based on the site characterization and data collected <br />to date, the EHD feels that site closure may be warranted. Please submit a No Further Action <br />Report (NFAR) to the EHD that conformSL to Section ' 6.6 of the Tri -Regional Guidelines - <br />Appendix A (Reports). The NFAR is due at the EHD by June.30, 2009. <br />The EHD requires that an additional and limited ground water sampling event be conducted and <br />the analytical data is to be included in the NFAR. Please collect ground water samples from <br />monitoring wells MW -6, MW -8, MW -12, MW -13, and MW -14 and analyze them for total <br />petroleum hydrocarbons as gasoline (TPHg) by EPA Method 8015m or 8260B and benzene, <br />toluene, ethylbenzene, xylene (BTEX) by EPA Method 8020 or 8260B. The EHD agrees <br />conclusions provided by AGE that. the contaminants impacting ground water from MW -11 are <br />not likely to be related to your release and the EHD will not require further sampling of this well. <br />