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Thank you, <br /> Michelle <br /> Michelle Evans <br /> Staff Geologist <br /> Terrasearch, Inc. <br /> 257 Wright Brothers Avenue <br /> Livermore, CA 94551 <br /> (925) 243-6662 <br /> Email: MichelleE@terrasearchinc.com <br /> -----Original Message----- <br /> From: Mike Infurna [EH] [mailto:MInfurna@sjcehd.com] <br /> Sent: Thursday, September 07, 2006 9:54 AM <br /> To: michellee@terraserachinc.com <br /> Subject: Mt House Area C-Vosti prop <br /> Nice talking with you this am. <br /> First, EHD will not be requiring a boring permit for borings to only 2.5 feet <br /> bgs. Our threshold depth is 3 feet or greater or if ground water is <br /> encountered. You may advance the 2.5 foot borings without our permit or <br /> EHD inspection. <br /> We will require a boring permit for borings that are to or exceed 3 feet in <br /> depth or encounter ground water. Per your proposal, only TWO borings are <br /> proposed to ground water. <br /> Based on our discussion this morning,it was decided that these two ground <br /> water grab soil borings, B-61 and B-63 are actually in Alameda county and <br /> therefore NOT subject to San Joaquin County EHD concerns. You may <br /> proceed with your proposal now and without an EHD permit. <br /> BLIT, your proposal included a contingency plan to 'step-out' and do 3 <br /> additional borings if petroleum contamination is detected m the shallow <br /> borings. If in the process of'stepping out' your additional borings go to or <br /> deeper than 3 feet or TO ground water and you're IN San Joaquin County, <br /> an EHD permit is required BEFORE you drill. Please anticipate this and <br /> advise me as soon as you make your decision. I will save the two permit <br /> applications you already sent in and use them if they are needed. <br />