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Mar aret La orio EH <br /> From: Margaret Lagorio[EH] <br /> Sent: Wednesday,July 09, 2008 9:56 AM <br /> To: 'ssaicedo a@stratusinc.net' <br /> Subject: FW: 15600 Harlan Rd., Lathrop <br /> Sarah, <br /> I received your letter yesterday but won't have time to respond in writing for a week or <br /> more. This is the E-mail response I provided to Kirk Larson when I received his <br /> Preliminary report and his E-mail back to me that he would review my comments and make <br /> corrections. It appears he did not do that. Mr. Dhoot must realize that the Cleanup Fund <br /> does not provide closure letters and that Environmental Health is the lead agency who must <br /> obtain concurrence from the Regional Board prior to closure. The contamination is not <br /> defined especially since monitoring well 13A/B and 13C have not been located and sampled. <br /> You certainly can submit a work plan to evaluate soil vapor issues because if there are <br /> any, they need to be addressed as soon as possible. I haven't had a chance to review the <br /> soil data but any where there is residual soil contamination must be investigated as well <br /> as groundwater moving beneath buildings and residences. In addition, monitoring wells <br /> 13A/B and 13C must be found and sampled if possible and if they are no longer useful <br /> destroyed-. That is a county ordinance requirement and referral to the District Attorney <br /> will be made it the wells are not located. If the wells can no longer be used, they must <br /> be replaced. We need this information to see if the plume is laterally and vertically <br /> defined. You have not submitted the Site Conceptual Model that you committed to at the <br /> meeting at the Regional Board on August 2, 2007. This should be: submitted to justify any <br /> work proposed in a work plan. <br /> Margaret Lagorio, REBS <br /> Program Coordinator Unit IV <br /> 600 E. Main Street <br /> Stockton, CA 95202 <br /> (209) 468-3449 <br /> - Original Message----- <br /> From: Kirk Larson [mailto:ktlarson@waterboards.ca_gov] <br /> Sent Thursday, May 01, 2008 4:28 PM <br /> To: Margaret Lagorio [EH] <br /> Cc: Nuel Henderson [EH] , Bob Trommer; Jim Barton <br /> Subject: Re: 15600 Harlan Rd. , Lathrop <br /> Thank you Margaret: I'll be sure to make those corrections. I'm working at home today <br /> but will review your comments in detail tomorrow and respond asap. Thank you. Kirk <br /> Kirk T. Larson, P.G. <br /> Five Year Review Unit <br /> Division of Financial Assistance <br /> 1001- I Street <br /> Sacramento, CA 95814 <br /> (916) 341-5663 <br /> ktlarson@waterboards.ca.gov <br /> >>> "Margaret Lagorio [EH] " <MLagorio@sjcehd.com> 05/01/08 2:35 PM >>> <br /> Kirk, <br /> The case information for this site on your review is not correct. <br /> February 23, 1998 a 12,000 gallon diesel UST was removed. October 9, <br /> 1998 three gas UST's were removed, a 6000 gallon, a 8000 gallon., and. a 10,000 gallon. <br /> There are some active diesel AS'T's at the site but I dont recall the number or size. <br /> There are 3 active gas UST's, a 4000 gallon, a 10,000 gallon and a 12,000 gallon. <br /> The groundwater flow was intially predominantly northeast and has recently been northwest. <br /> The contamination has spread over the entire <br /> 3.77 acre Storage Pro site to the north of the site. Last year monitoring wells were <br /> installed further northeast, north and northwest (MW13AB, MW13C) . A "'C,' zone well (MW12C) <br /> I <br />