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Page,2 of 5 <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Monday, February 13, 2006 2:27 PM <br /> To: Wilken, Brandon <br /> Subject: RE: Requested Jimco Truck Plaza Report <br /> Brandon, <br /> Does the lab have any chromatogram of a continuing calibration motor oil standard recently <br /> analyzed on this same instrument? If so, please ask the lab to provide this chromatogram and <br /> indicate the concentration of the motor oil continuing calibration standard and state whether the <br /> CCV met QC criteria limits. Also ask the lab if they have preformed any maintenance on this <br /> instrument since April 2005, such as cut the column, that might affect the retention time of the <br /> motor oil CCV. 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 /> ii 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: Monday, February 13, 2006 11:37 AM <br /> To: Vicki McCartney [EH] <br /> Subject: RE: Requested Jimco Truck Plaza Report <br /> i Hello Vicki,. <br /> Here's what the lab gave me: Attached is the method blank chromatogram associated <br /> with this diesel batch as well as instrument blank from the GC from which this <br /> sample was analyzed. Wedo.not run a daily Motor Oil standard however, I have <br /> attached for your review a scanned PDF of a typical 10-30W motor oil <br /> chromatogram analyzed in April 2005 on the same GC as this sample. In addition, I <br /> have attached the MW-1 TPHd chromatogram and the MW-1 TPHd chromatogram <br /> overlaid with the TPHd standard. I hope this is sufficient,please.give me a call or e- <br /> mail with any questions. .Thanks!. <br /> Brandon S. Wilken, P.G. <br /> Cambria Environmental Technology, Inc.. <br /> 510-420-3355 <br /> -----Original Message----- <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Thursday, February 09, 2006 8:18 AM <br /> To: Wilken, Brandon <br /> Subject: RE: Requested Jimco Truck Plaza Report <br /> Brandon,. <br /> i <br /> I would like to see the motor oil standard chromatogram run on this instrument on <br /> the same day that sample MW-1 was analyzed, and the method blank <br /> chromatogram that is associated with sample MW-1. There is no need to present <br /> these chromatograms in a formal manner. Thank you very much for providing this <br /> information. <br /> 2/23/2006 <br />