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zv'_� CedCogical Tecl��ics lac. <br /> j 1107 7"St. � <br /> l Modesto,California 95354 <br /> RECOVE1 i <br /> (209)522-4119!Fax(209)522-4227 <br /> FEB 13 2004 <br /> February 12, 2004 ENVIRONMENT HEALTH <br /> PERMIT/SERVICES <br /> GTI Project No.: 750.3 <br /> GTI Project Name: City of Escalon <br /> Ms Heather Kuklo <br /> San Joaquin Valley Unified Air Pollution Control District <br /> 4230 Kiernan Road, Suite 130 <br /> Modesto, California 95356 <br /> RE: Authority To Construct(N-4546-2-0) <br /> City of Escalon(Former Arco Mini Mart), 1305 Escalon,Ave.,Escalon,CA <br /> . Dear Ms Kuklo: <br /> Attached are copies of the laboratory data (Air Toxics) for the influent and effluent air samples <br /> - collected on January 1, January 2, October 29, November 19, December 10 and December 23, <br /> 2003 from the internal combustion engine (I.C.).- The I.C. was being used to control emissions <br /> - from the soil vapor extraction system operating at the Fortner Arco Mini Mart site. <br /> 1 <br /> The attached calculations show that the I.C. was meeting the 95% efficiency standard. <br /> rThe VETS was not in operation between February 1 and December 8, 2003. The VETS ran <br /> L from December 9, 2003 to January 14, 2004 for a total of 303.3 hours. Samples collected on <br /> October 29 and November 19 were collected to test modifications performed on the I.C. unit. <br /> The modifications were made to improve the destruction rate.of the unit and to bring into <br /> compliance with source test emissions. The I.C. will not be restarted and will be removed from <br /> the site by the end of February 2004. If you should have any questions regarding this project, <br /> please contact Ray Kablanow or myself. <br /> _ Respectfully Submitted, <br /> GEOLOC7"L TECHNICS INC <br /> Eric L. Price _ <br /> Geologist <br /> cc: Lori Duncan—SJC PHS/EHD <br /> Gordon Boggs—RWQCB-CVR <br /> Doug Stidham—City of Escalon <br /> USTCFP <br />