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ENVIRONMENTAL HEALTH DIVISION <br /> 304 E. Weber Ave. Third Floor -11 <br /> 0.0. Box 388, Stoc n CA 95201703 (� <br /> Approved w <br /> Denied ❑ <br /> Conditions <br /> Post-it®Fax Note 7671 Date 1 - 2, - pages <br /> Date by 2.3lac,a e To - <br /> -- . From <br /> J <br /> _ l. . <br /> Co./Dept. _ Co. <br /> Phone# Phone# <br /> L1F-Ell)/���lfC�t'i� Mc71W"iD12iN/� 1 ! Fax# Fax# <br /> o►3 A 4cmZII:�ZW SAI►6 <br /> z. 5�r',rvt!iT �•u- z�"t v,@��r - GeoCogicgf Technics inc. <br /> 1 +�t�• `Madam.c.Lfmieia_gv5i <br /> Do S t m -oa M'sr'-`r L <br /> tZCZ1tt�2S�1 rJC� - ANklu uMt 5E3 rt� <br /> Work Plan . <br /> Dt�11� Monitoring Well Installation <br /> 71D ezrOm Groundwater Monitoring <br /> 00 5 L rt <br /> Sinclair Trucking <br /> t_u5 3780 West Linne Road <br /> > - ZEE ; �lT to o m_ Tracy,California <br /> mi)�,,-rbe oiti r,),D- kkgo ,c)r- & dv <br /> Project No.320.2 <br /> }5 (]A2c1MM0Vb0b _ A. March 27,1996 <br /> 1.0 SITE BACKGROUND <br /> n.1 E. <br /> On June 14, 1995, Geological Technics Inc. personnel supervised and directed a <br /> ~ t--)? L3 G subsurface investigation at Sinclair Trucking located at 3780 West Linne Road in <br /> Tracy California. This work included the following- <br /> • Installing three groundwater monitoring wells and one soil boring to evaluate <br /> L (a a4&,Q�l �FJ1 IU ' PCN the vertical and lateral extent of gasoline range petroleum hydrocarbons. <br /> K.RA"1 ��—� ��V t(� Soil samples were:collected on June 14, 1995 and groundwater samples were <br /> M f�N(pi's r. S -� collected on June 23,1995,and tested for TPH G and BTEX. <br /> • The depth to groundwater was measured and the groundwater was shown to <br /> �� 1Dl 41�i1 s I�C�LuY`f 0 flow generally east northeast. None of the 3 wells are down g <br /> source. radient of the <br /> ,Jl/1,UJE,N��� ► � i��lvl,4�� : _ <br /> 14� l7 Laboratory analytical data results has shown that the soil all 4 boreholes and <br /> L'i ( k�k,, groundwater in the 3 monitoring wells are impacted by gasoline. <br /> LT The San Joaquin County Public Health Services Environmental Health Division <br /> CA.OSI � -M '[y�L`> 't verbally directed that Sinclair Trucking further investigate the extent of the <br /> groundwater plume by installing one additional groundwater monitoring well in <br /> t NJ 1°c 1rw Ica the down gradient direction. <br /> tn1�L�hL 'vt1- <br /> 'rj • �i0ltk7j1� Sd 11� C-�601�GatNl off- �q�'ZPt �,Jrhi,,l✓ �tl4.#i'� �� IIJ�t"ll�.�• �G-: ��n�f�u� .&��'���) , <br />