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Vicki McCartney [EH] <br /> From: Vicki McCartney[EH] <br /> Sent: Thursday, April 24, 2003 9:59 AM <br /> To: 'jskauffman@lancasterlabs.com' <br /> Cc: 'Barton]@rb5s.swrcb.ca.gov' <br /> Subject: RE: Method 8015B <br /> Dr. Kauffman: <br /> James Barton, R.G., at the Environmental Protection Agency(EPA) California Valley Regional Water Quality Control <br /> Board -Central Valley Region, has requested the following information for the analysis of motor oil by EPA SW-846 <br /> Method 8015B modified: <br /> 1. Motor oil results for a proficiency evaluation (PE)sample analyzed by Method 8015B modified <br /> 2. Method detection limit studies for motor oil analysis in water and soil by Method 80158 modified <br /> Please send this information to me and I will forward the data to James Barton. <br /> Thank you for your cooperation throughout this process. I am hopeful that this additional information will resolve concerns <br /> about Lancaster Laboratories' methodology for analyzing motor oil. <br /> Vicki McCartney, EHS <br /> 304 E. Weber Avenue <br /> Stockton, CA 95202-2708 <br /> Phone (209) 468-3456 <br /> Fax (209) 468-3433 <br /> vmccartney@sjcehd.com <br /> 1 <br />