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0 • Page 1 of 2 <br /> Larry <br /> From: Larry parryw@amiadini.com] <br /> Sent: Monday, June 28, 2010 5:55 PM <br /> To: 'Vicki McCartney [EH]' <br /> Cc: 'Andy' <br /> Subject: Frontier Transportation -Site located at 425 Larch Road in Tracy California- Proposed Off-site <br /> Soil Borings and Well <br /> Attachments: SJCDEH Agency Letter—Workplan Approval_5072010.pdf; FrontierTransport.P01 -Letter from <br /> Attorney_Re ROE Agreement-523 Larch Rd (61-134 B8 MW28)_6-15-10.pdf; <br /> 02_FrontierTransport_p01_GWI Workplan_Figure06_Proposed DPT Locations_r2.pdf <br /> Vicki, <br /> Pursuant to your directive of 05-07-10,we are proceeding to obtain access agreements for advancing the <br /> off-site soil borings and groundwater monitoring well. The majority of the proposed borings (61, B2, B3, <br /> B4, and 68)as well as GWM Well MW28 are all located on the property at 525 Larch Road (the site <br /> bordering the Frontier Transportation site). <br /> We have made a request of the owners of the 535 Larch Road property to gain access to their property to <br /> install the borings and well. We recently received the attached letter from the property owner's attorney in <br /> regards to an entry agreement. In the last paragraph of first page of the attached letter and following first <br /> paragraph on page 2 of the attached letter, the attorney notes that the locations of several of the borings <br /> and the well should be moved to eliminate traffic interferences. <br /> Attached is a site plan which we have prepared which shows the current proposed and approved <br /> boring/well locations, in addition to the proposed new locations as suggested by the property owner's <br /> attorney. Basically, borings B1, B2, B3, and B4, and GWM Well MW28 will all moved to the planter area <br /> in the center of the property to avoid interferences with the traffic lanes and traffic flow. <br /> We have reviewed the revised proposed boring locations and determined that moving these borings <br /> should not effect our ability to gain the necessary data and information needed to evaluate the extent of <br /> MTBE impacts to groundwater in the down gradient direction.We also feel the revised well location will be <br /> adequate. We are aware that the final location for the GWM Well MW28 will be confirmed only after the <br /> test results from the soil borings is evaluated to determine the extent of the groundwater contaminant <br /> plume. <br /> Please provide your approval of the revised soil borings and well locations or let us know should you have <br /> any comments or questions. <br /> This correspondence has been reviewed and approved by our Professional Geologist,Andrew Payne. <br /> Regards, <br /> Larry Witwer <br /> Sr. Project Manager <br /> AMI ADINI R ASSOCIATES, INC. <br /> 4609 Russell Avenue <br /> Los Angeles, CA 90027 <br /> Tel#(323)913-4073 <br /> Fax#(323)667-2336 <br /> e-mail: larrywta'�amiadi ni.com <br /> Web site:www.amiadini.com <br /> 8/13/2010 <br />