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Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Monday, April 27, 2015 4:31 PM <br /> To: 'Ruchi Mathur' <br /> Subject: RE: 30350 South Tracy Blvd. <br /> Attachments: 30350 Tracy.pdf <br /> Ruchi, <br /> I am appending information that shows that MW-7 and MW-8 were not surveyed. The casing elevations are the same <br /> for all sampling event; however, you will see that it is documented that MW-7 and MW-8 were not professionally <br /> surveyed in 2004. <br /> 1 have also appended information to show that the two 6,500-gallon asphalt tanks existed. <br /> I suggest that you do a file review if you need additional information. <br /> Thank you. <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: vmccartney(cD-sjcehd.com <br /> From: Ruchi Mathur [mailto:rmathurCd)somaenv.com] <br /> Sent: Monday, April 27, 2015 12:35 PM <br /> To: Vicki McCartney [EH] <br /> Subject: RE: 30350 South Tracy Blvd. <br /> Hi Vicki, <br /> It appears MW-7 and MW-8 were surveyed because they do have a Top of Casing (TOC) elevation that we have been <br /> using to calculate groundwater elevation. However, an actual report showing the latitude and longitude is missing. <br /> We are preparing a letter to address all your concerns according the March 26`h directive. In this letter we will address <br /> the TOC issue for MW-4 and MW-5 and we will also include the elevation contour map and revised groundwater <br /> monitoring tables. This letter will be uploaded to the Geotracker when it is ready. <br /> Another issue we are facing is the 6,500-gallon asphalt tank.The current CEMEX staff is unable to find a documentation <br /> on it. They believe it might have been abandoned in place. Do you happen to have a copy of tank registration paperwork <br /> for all 8 tanks? It might be useful to the CEMEX staff in researching on the 6,500 gallon tank in question. Please let me <br /> know. <br /> Thank You, <br /> 1 <br />