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APR 0 5 2�;�1 <br /> �(�IVIRONMENTAL HEALTH <br /> 11 <br /> Vero TIS�RVICE <br /> Geosyntec 111 I Broadway,is Floor <br /> Oakland,California 6.3 04 <br /> PH 510.836.3034 <br /> Cons,,l+an+s FAX 510.836.3036 <br /> U1l l www.geosyntec.com <br /> 1 April2011 <br /> Mr. Jam:�e, naIW <br /> . BartonCa > ioater Qity Control Board <br /> Central Valley Region <br /> Underground Storage Tank Unit <br /> 11020 Sun Center Drive#200 <br /> Rancho Cordova, CA95670-6114 <br /> Subject: 800 W.Church Street <br /> Stockton, CA <br /> Dear Mr. Barton: <br /> We received a copy of the 22 March 2011 letter from San Joaquin County Environmental Health <br /> Department (the "County') to you regarding results for soil and groundwater samples recently <br /> collected at the subject site. We are writing to clarify a few points presented in the County's <br /> letter. Attachment 1 to this letter is a copy of the report that we sent to the County providing <br /> them with results of our work. <br /> 1. The samples were not collected with the objective of characterizing the entire site, but <br /> rather to address specific issues within the context of litigation. Geosyntec's client was a <br /> former tenant at the Site from December 1981 to June 1988. Our client is the defendant <br /> in a lawsuit filed by the current property owner, The Newark Group. <br /> 2. The samples discussed in Attachment 1 are the only samples that Geosyntec collected at <br /> this site for this client. <br /> 3. The attached Tables 1, 2; and 3 are the same tables included in Attachment 1 except that <br /> screening levels from the California Department of Toxic Substance Control (CHSSLs) <br /> and the Regional Water Quality Control Board San Francisco Bay Region (ESLs) have <br /> been added to the far right coiumn of each table. The County's letter states that toluene <br /> and TPHd were detected in the soil and groundwater samples. A review.of those tables <br /> will indicate the following: <br /> Letter to RWQCB 1 Apr 201 l.doc <br /> �G�f�3Vw w <br />