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Jr 1 <br /> I <br /> SECOR <br /> r <br /> Iwo i7ational hlLoipol ated <br /> i 2` plr � 00 <br /> � i_ I <br /> October 23, 1997 <br /> David L Crow <br /> San Joaquin Valley Unified Air Pollution Control District <br /> 1999 Tuolumne Street, Suite 200 <br /> Fresno, CA 93721 <br /> Subject: Quarterly Report on Thermal Oxidizer Operation <br /> Third Quarter 1997 <br /> Permit No N-3139-1-0 <br /> 440 West Charter Way, Stockton, CA <br /> Mr Crow <br /> Enclosed for your review is the Quarterly Monitoring Report for the period July through <br /> September 1997 for the above referenced site SECOR International Incorporated (SECOR) is <br /> forwarding you a copy of this report on behalf of Mr Ron Zielinski of Texaco Refining & <br /> Marketing, Environment, Health & Safety <br /> I <br /> The soil remediation system consists of four dual-completion vadose zone extraction wells, a <br /> vacuum blower, and a thermal oxidizer A SECOR technician visited the site bi-monthly to <br /> monitor the system Activities performed during these visits included equipment inspection, <br /> influent and effluent soil vapor concentration measurements, and control system adjustments <br /> A flame ionization detector (FID) was used by the technician to measure the soil vapor r <br /> concentrations when the soil remediation system was operating Influent and effluent 9ri11 vapor <br /> samples were collected in Tedlar sample bags and submitted to V O C Analytical in Glendale, <br /> California for laboratory analysis <br /> During this reporting period, the soil remediation system was 24% operational The system did <br /> not operate continuously due to blower bearing failure The soil vapor analytical results and <br /> system efficiency results are enclosed with this report Approximately 6,179 pounds of galloline <br /> have been removed and treated at the site since the system began operating in Januat`y 1996 <br /> TES151ockroJ✓CharterWay wv OctabeY 3 1007 <br /> NDOOI 006 01 <br /> 3050 1 de,Cm ie Suite 201 Sm ieinioilo C�95827 (916) 304'1,M(916) Y)41-18$91 t 7f f! CONI <br />