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Page 1 of 3 <br /> Vicki McCartney [EH] <br /> From: Nuel Henderson [EH] <br /> Sent: Monday, October 24, 2011 8:52 AM <br /> To: Adrienne Ellsaesser[EH]; Vicki McCartney [EH] <br /> Subject: FW: Contamination of Groundwater and Destruction of Well Covers on Chrisman Road Tracy <br /> Importance: High <br /> Attachments: 7500W11thSt Site Plan.pdf; NavarraWellLocations,pdf <br /> FYI <br /> Good tuck with that, huh? <br /> From: Dai Watkins (ma iIto:daiw@sanjoco.com] <br /> Sent: Saturday, October 22, 20112:24 PM <br /> To: Nuel Henderson [EH] <br /> Subject: Fw: Contamination of Groundwater and Destruction of Well Covers on Chrisman Road Tracy <br /> Importance: High <br /> From: Dai Watkins <br /> Sent: Friday, October 21, 2011.12:44 PM <br /> To: paulverma cUrac..cams <br /> Subject: Re: Contamination of Groundwater and Destruction of Well Covers on Chrisman Road Tracy <br /> Mr. Verma: <br /> Although we have requested that the City repair the damage to our groundwater-quality monitory <br /> wells in Chrisman ftad on several occasion and, most recently, specifically requested that you restore <br /> the cover to Monitoring Well MW-11 and clear bituminous macadam and road base that has buried <br /> Monitoring Well MW-5 the required work has not been done. I specifically drew your attention to <br /> these problems on July 5 so that the wells would be properly restored before the July 2011 <br /> groundwater-quality monitoring round that we were required to perform by the San Joaquin County <br /> Environmental Health Department (SJCEHD). <br /> When our team arrived on site on July 27 they were able to uncover Well MWFP-5 after excavating a <br /> considerable depth of macadam and road base. However, Well MW-11 could not be found after an <br /> extensive search using a metal detector. This suggests that your contactor destroyed and completely <br /> removed the steel well-head box and cover before paving over that well. <br /> You must now promptly restore the well head box and cover of Monitoring Well MW-11. <br /> When we opened the other wells affected by your contactor's work on Chrisman Road we found many <br /> of the well head boxes to be contaminated by oils and bituminous materials. In the case of Monitoring <br /> Well MW-19 the well head box contained a significant volume of bituminous macadam and the <br /> groundwater was found the be affected by 59 micrograms/liter of petroleum hydrocarbons falling <br /> 10/24/2011 <br />