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Page 1 of 3 <br /> N <br /> Lori Duncan [EH] <br /> From : Lori Duncan [EH] <br /> Sent: Wednesday, February 09, 2011 2:06 PM <br /> To: 'ojacobs@cleanvatergroup.com' <br /> Subject: RE : Barnes Trucking Project; Extraction wells - question about any water district fees <br /> I 'm not directing it, its not my part of the project. Work done for the injection permit has to be approved by the RB . <br /> It was just a suggestion , based on the decisions I observed them make on the other project. Since you are not <br /> proposing to discretely screen the wells, and they are only 5 feet deeper than the existing ones , most of <br /> the proposed screen area (10-30) is covered by the existing wells. <br /> From : ojacobs@clearwatergroup.com [mailto :ojacobs@cleanvatergroup.com] <br /> Sent: Wednesday, February 09, 201112 : 57 PM <br /> To: Lori Duncan [EH]; Randy Kirby; Jim Jacobs <br /> Subject: Re: Barnes Trucking Project; Extraction wells - question about any water district fees <br /> The 25-35 foot zone appears, on site, to contain the highest contamination . Existing wells, across <br /> the street, are screened above that zone. <br /> We defer to your agency's decision on this point and can use MW-7 and MW-8 for compliance <br /> zone wells, as you direct. <br /> Please consider the downgradient residential area and the fact that lateral extent at MW-7 and 8 <br /> has not been identified. <br /> We are keenly aware of the limited resource as the injection/dewatering costs are large. However, <br /> the objective is to attain low enough levels to close the site during this year. <br /> ent€rorrrMy-VerizonNircless-BlaekBerry <br /> From: "Lori Duncan [EH] " <lduncan@sjcehd. com> <br /> Date: Wed, 9 Feb 2011 12 :20 :20 -0800 <br /> To: <cjacobs@clearwatergroup.com> <br /> Subject: RE : Barnes Trucking Project; Extraction wells - question about any water district fees <br /> When you request approval from the regional board to put the 'transition' wells onsite , why dont you ask to <br /> use MW-7 and MW-8 as observation wells? It seems a waste of money to install new wells right next to <br /> them with practically the same screen interval. Waste of money. And time. I have another site in town that <br /> the regional board agreed to let the site use the monitoring wells of another site across the street as their <br /> 'transition' wells, and then before they were ever sampled after the injection, agreed to a request from the <br /> consultant that they did not even need to be sampled . <br /> Permits are issued per parcel of land , per C-57. So , unless you are using different drilling companies, you <br /> only need one permit for the onsite work, with the appropriate fees . <br /> Lori Duncan, Senior RENS <br /> San Joaquin County <br /> Environmental Health Department <br /> Iduncan(o cehd .com <br /> 2/9/2011 <br />