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JUN-09-2004 WED 03:07 PN SANJOAQ VALLEY AIR DIST FAX NO. 2095576475 P 02 <br /> San Joaquin. Valley <br /> Air Pollution Control District <br /> EXPIRATION DATE: 10131/2007 <br /> PERMIT UNIT: N-4147-1-0 <br /> EQUIPMENT DESCRIPTION: <br /> SOIL AND GROUNDWATER REMEDIATION PROJECT SERVED BY BAKER MODEL SX-400 THERMAL OXIDIZER <br /> AND ALLIED SIGNAL CATALYTIC OXIDIZER. <br /> PERMIT UNIT REQUIREMENTS <br /> 1. No air contaminant shall be released into the atmosphere which causes a public nuisance. [District Rule 41021 <br /> 2. No air contaminant shall be discharged into the atmosphere for a period or periods aggregating more than three <br /> minutes in any one hour which is as dark as,or darker than,Ringelmann 1 or 20% opacity. [District Rule 4101] <br /> 3. The soil remediation system shall be maintained in proper operating condition at all times. [District NSR Rule] <br /> 4. Either he VOC control efficiency shall not be less than 95%,or the total VOC emissions rate shall not exceed 2 <br /> pounds in any one day. [District NSR Rule] <br /> nts shall be <br /> 5 <br /> bothoing the influent ance;with VOC emission d the effluentas streams with an FID, PID, ote and control r other District approved VOC detection devited by ce, <br /> [District Rule 10811 <br /> 6. Sampling to demonstrate ongoing compliance shall be performed at least once per month. [District Rule 108]] <br /> 7. The soil remediation system shall not operate after October 7,2002,without prior District approval. [District Rule <br /> 4]02] <br /> ed as auxiliary fuel for the combustion of VOCs. [District NSR <br /> S. Only liquified petroleum gas or natural gas shall be us <br /> Rule] <br /> 9. The total NOx emission rate from the soil remediation system served by the thermal/catalytic oxidizer shall not exceed <br /> 0.1 lb/MMBtu. [District NSR Rule] <br /> 10. The total CO emission rate from the soil remediation system served by the thermal/catalytic oxidizer shall not exceed <br /> 0.021 Ib/MMBtu. [District NSR Rule] <br /> 11. The VOC emission rate shall not exceed 40.1 lbs. per day. [District Rule 22011 <br /> 12. The thermal/catalytic oxidizer shall be equipped with an operational temperature gauge to indicate the temperature of <br /> the combustion chamber. A continuously recording device shall be utilized to indicate the combustion chamber <br /> temperature during operation. [District NSR Rule] <br /> 13. The soil remediation system shall not be operated unless the combustion chamber is at or above the minimum <br /> operating temperature. The system shall automatically terminate operation if the temperature drops below the <br /> minimum operating temperature. [District NSR Rule] <br /> 14. The minimum operating temperature for the combustion chamber of the thermal oxidizer shall be maintained at or <br /> above 1,400 degrees F. [District NSR Rule] <br /> 15. The minimum operating temperature for the combustion chamber of the catalytic oxidizer shall be maintained at or <br /> above 600 degrees F.[District NSR Rule] <br /> 16. The Air Pollution Control inspector shall be notified in writing when the thermal incinerator will be modified to <br /> operate in catalytic oxidizer mode prior to the modification. [District NSR Rule] <br /> PERMIT UNIT REQUIREMENTS CONTINUE ON NEXT PAGE <br /> Those terms and conditions are part of the Facility-wide Permit to Operate. <br /> F301ty Nance. UNOCAL CORPORATION <br /> Location. 540D PACIFIC AVE.STOCKTON.CA <br />