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Page 2 of 3 <br /> I reviewed the analytical data for samples collected by Accutite and find the narrative and data <br /> submitted in Tables 1 and 2 by Cambria to be correct. The split groundwater sample results for <br /> MTBE have a large discrepancy, but I will accept the results submitted by Accutite and.will address <br /> this in my next letter. <br /> I would like to see MW-1's chromatogram and the chromatograms for the diesel and motor oil <br /> standards run on the same instrument as the sample. Also, I would like to see the method blank <br /> and all instrument blanks associated with this sample. I will not comment about dropping motor oil <br /> analysis until I have had time to review the chromatograms. <br /> Thank you Brandon. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 304 E.Weber Avenue <br /> Stockton,CA 95202-2708 <br /> Phone: (209)468-3456 <br /> Fax: (209)468-3433 <br /> E-mail: vmccartney@sjcehd.com <br /> -----Original Message----- <br /> From: Wilken, Brandon [mailto:BWilken@cambric-env.com] <br /> Sent: Tuesday, February 07, 2006 2:27 PM <br /> To: Vicki McCartney [EH] <br /> Cc: Scheele, Ron <br /> Subject: Requested Jimco Truck Plaza Report <br /> Hello Vicki, <br /> Attached is the report that you requested, which contains both tables and lab reports for <br /> both sets of data in question. I hope this answers all of your questions related to this data. <br /> If so, in your next letter,please include a paragraph mentioning that the data in the original <br /> report has been verified correct or something of that nature. <br /> In your letter responding to our Feasibility Test Report and Site Assessment Report, you <br /> mentioned that additional assessment is warranted. However, you did not request that we <br /> submit a workplan to complete vertical and lateral groundwater assessment at the site. In <br /> addition, you didn't mention anything about additional assessment near well MW-6. We will <br /> need an additional letter requesting the submittal of a workplan to complete delineation at <br /> the site. <br /> I spoke with the chemist at the McCampbell Analytical about TPHd and TPHmo being <br /> detected in well MW-1. The chemist said that TPHd is present in well MW-1 and the <br /> TPHmo that is reported is overlap from the diesel range hydrocarbons. Therefore, Cambria <br /> requests removing the TPHmo analysis from the monitoring and sampling plan at the site. <br /> have requested well MW-1's chromatograph and the diesel and motor oil standard <br /> chromatographs from the lab to compare. I will forward you this data once I receive it. <br /> Please give me a call with any questions or concerns. Thanks for your cooperation. <br /> Brandon S. Wilken, P.G. <br /> Senior Project Geologist <br /> Cambria Environmental Technology, Inc. <br /> 5900 Hollis Street, Suite A <br /> Emeryville, CA 94608 <br /> Desk: 510-420-3355 <br /> Fax: 510-420-9170 <br /> 2/9/2006- <br />