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Page 3 of 4 <br /> Sent: Wednesday, February 08, 2006 2:45 PM <br /> To: Wilken, Brandon <br /> Subject: RE: Requested Jimco Truck Plaza Report <br /> Brandon, <br /> I reviewed the analytical data for samples collected by Accutite and find the narrative and <br /> data submitted in Tables 1 and 2 by Cambria to be correct. The split groundwater sample <br /> results for MTBE have a large discrepancy, but I will accept the results submitted by <br /> Accutite and will address this in my next letter. <br /> I would like to see MW-1's chromatogram and the chromatograms for the diesel and motor <br /> oil standards run on the same instrument as the sample. Also, I would like to see the <br /> method blank and all instrument blanks associated with this sample. I will not comment <br /> about dropping motor oil 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@cambria-env.com] <br /> Sent: Tuesday, February 07, 2006 2:27 PM <br /> To: Vicki McCartney [EH] <br /> g 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 <br /> reports for both sets of data in question. I hope this answers all.of your questions <br /> related to this data.:'If so, in your next letter, please include a paragraph mentioning <br /> that the data in the original report has been verified correct or something of that <br /> nature. <br /> In your letter responding to our Feasibility Test Report and Site Assessment Report, <br /> you mentioned that additional assessment is warranted. However, you did not <br /> request that we submit a workplan to complete vertical and lateral groundwater <br /> assessment at the site. In addition,you didn't mention anything about additional <br /> assessment near well MW-6. We will need an additional letter requesting the <br /> submittal of a workplan to complete delineation at the site. <br /> I spoke with the chemist at the McCampbell Analytical about TPHd and TPHmo <br /> .being detected in well MW-1. The chemist said that TPHd is present in well MW-1 <br /> and the TPHmo that is reported-is overlap from the.diesel range hydrocarbons. <br /> Therefore, Cambria requests removing the TPHmo analysis from the monitoring <br /> and sampling plan at the site. I have requested well MWA's chromatograph and <br /> the diesel and motor oil standard chromatographs from the lab to compare. I will <br /> forward you this data once I receive it. <br /> Please give me a call with any questions or concerns. Thanks for your cooperation. <br /> 2/16/2006 <br />