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SEACOR fi <br /> 1_ �w <br /> September 3, 1992 <br /> �nr- <br /> Mr. Kai Chan <br /> F.f <br /> San Joaquin County Air Pollution Control District <br /> Post Office Box 2009 <br /> Stockton, California 95201 <br /> AUTHORITY TO OPERATE #AP 91 552 <br /> CONDITION 7 OF THE SAN JOAQUIN COUNTY AIR POLLUTION CONTROL DISTRICT <br /> PERMIT TO OPERATE A SOIL REMEDIATION SYSTEM AT 429 W. LOCKEFORD ST., LODI, <br /> CALIFORNIA . <br /> Dear Mr. Chan: <br /> Per the requirements of the SJCAPCD Permit to Operate a soil vapor extraction system at the <br /> above-referenced site, Science & Engineering Analysis Corporation (SEACOR) is submitting <br /> the enclosed information detailing the system operating parameters and influent/effluent sample s <br /> results through August 1992. Based on an effluent vapor concentration of 105 ppmv measured on <br /> August 12, 1992, a total VOC emission rate of 1.8 pounds per day(lbs/day)was calculated. Emission ;r <br /> s> <br /> calculations for August 1992 are attached. Based on the above emission rate, the system continues " r; <br /> to operate within permit limits. Also,please find attached a copy of the analytical laboratory report <br /> for influent samples collected on August 12, 1992. : ' <br /> If you have any questions, please do not hesitate to contact us at (415) 296-7877. <br /> Sincerely yours, <br /> Science Engineering Analysis Corporation 4: <br /> eSenior <br /> exander, -E. ` <br /> er = <br /> r L}ij.by F' <br /> Attachments: Table 1 - Soil Vapor Extraction System Operating Data <br /> and Analytical Results of Sampling <br /> VOC Emission Rate Calculations =3 : <br /> Laboratory Analysis Results for August 12, 1992 �:u = <br /> cc: Mary Meays, San Joaquin Public Health Services x <br /> GGA./bls <br /> r- - <br /> 10(1 Phre S'freei <br /> PERMIT'8I3.LTR <br /> 50014-001-5 Sidi,j025 _ <br /> Stns Frrulcist'o. ("A `l'M <br /> X4))296 <br /> 1:1.1 <br />