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Page 1 of 2 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Friday, November 30, 2012 3:33 PM <br /> To: 'genelle.martin@cardno.com' <br /> Subject: RE: 7675 Eleventh St., Tracy, CA San Joaquin County LOP LEAD CASE#2233 <br /> Good afternoon Genelle, <br /> I have reviewed the directives sent by this office. On 18 February 2009, the San Joaquin County <br /> Environmental Health Department(EHD)directed that monitoring wells MW-1 and MW-4 through MW-8 <br /> be sampled annually and the groundwater be analyzed only for MTBE; the EHD also directed that MW-2 <br /> and MW-3 be sampled semi-annually and the groundwater be analyzed for TPH-g, BTEX, and MTBE. <br /> On 01 July 2009, the EHD directed that MW-2 through MW-4 be sampled semi-annually; and MW-1 and <br /> MW-5 through MW-8 be sampled annually. The directive also implied that the groundwater <br /> samples should to be analyzed for TPH-g, BTEX and MTBE. The letter also stated that the newly installed <br /> monitoring well should be sampled quarterly until a concentration trend is established. <br /> I have reviewed the analytical data from Fourth Quarter 2011 Groundwater Monitoring Report for the <br /> Fayette Manufacturing Site, 7675 West Eleventh Street, Tracy, California, LOP Site Code:2233(report), <br /> dated 28 September 2012. Based on the historical analytical data presented in the report, please <br /> proceed as follows: <br /> • Annually collect groundwater from MW-1 and MW4 through MW-9 and analyze the samples for <br /> MTBE only; <br /> • Semi-annually collect groundwater from MW-2 and MW-3 and analyze the samples for TPH-g, <br /> BTEX and MTBE. <br /> This means that you do not sample MW-4 and MW-9 during the December sampling event. <br /> Please let me know when you will be at the site so that I can be present. <br /> Thank you, Genelle, for following up on this. <br /> Best regards, <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205 <br /> Phone: (209)468-9852 <br /> Email: vmccartneX(a)sjcehd.com <br /> From: Genelle Martin [mailto:genelle.martin@cardno.com] <br /> Sent: Friday, November 30, 2012 11:32 AM <br /> To: Vicki McCartney [EH] <br /> Subject: 7675 Eleventh St., Tracy, CA San Joaquin County LOP LEAD CASE #2233 <br /> Hello Ms. McCartney, <br /> We will be conducting groundwater sampling at the above mentioned site during the month of <br /> December, but I am seeking some clarification. A regulatory directive was issued on February 18tH <br /> 2009 modifying the site's semi-annual monitoring in the fourth quarter from 3 wells(MW-2, MW-3, <br /> 11/30/2012 <br />