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J. i he discharger shall pro- L3877 February 18 vide a recordm9 lower CERT1FtCATE ORDINANCE NO.009-89C.S explosive limit(LEL)moni- This is to certify that Ordi• AN ORDINANCE AMENDING tor.Installation will be at a nance No. DO9-89C.S. was CHAPTER 7 OF THE STOCK• location in thedischarge passed to print by the City TON MUNICIPAL CODE BY system prior to entry into Council of the City of Stockton, . g ADDING SECTION 7-0892br 0, the sanitary sewer. The on the 14th day of Feuary REGARDING DISCHARGE OF monitor is to be calibrated 1989by the followinvote PETROLEUM CONTAMINATED in a manner that indicates AYES: Counciimembers GROUNDWATER TO THE SANI- the Percentage of LEL of Bonner.Clayton, Lang. Linner- TARY SEWER COLLECTION gasoline and shall be con- man, Mc aughey, Oliva, SYSTEM netted to the facility in Weaver,Vice Mayor Coale and BE R ORDAINED BY THE such a way that an alarm M orFass will be tirnered at- NAS:NONE CITY COUNCIL OF THE CITY OF he LEL 0/gasoline and the ABSENT:NONE STOCKTON,AS FOLLOWS: n auto- Stockton, Cat., February 15, SECTION I.FINDINGS. matically shut down. The 1989 The City Council finds and monitor shall be calibrated /s/FRANCES HONG declaresthat leaking under- and maintained with a qual- ground petroleum storage tanks ity assurance program sat- Gry of$I°ocktorej pose a potential threat to the ISfactory to the Director of safety, integrity, and quality of Municipal Utilities. If, after the groundwater supply upon a period of evaluation,it is which the citizens of the City of determined by the Director Stockton depend for drinking of a designated revresanta- water.The Council further finds five that continuous record- and declares the necessity for ing is no longer needed.the owners of leaking underground provision of a recorder may petroleum storage tanks to take be deleted. necessary steps to remove 4.The Director or a desig- such tanks,to clean up sources nated representative shall of groundwater contamination, have access to the facility and to property dispose of shutdown switcha5 we11 as petroleum contaminated copies of keys to all locked groundwater. Therefore. it is enclosures at the site and necessary to establish regula- shall be Provided access to tions for the proper disposal of the facilityfor purposes of petroleum contaminated inspection groundwater into the sanitary 5.The discharger shall pro- sewer collection system. vide flow monitoring and SECTION If. AMENDMENT OF recording equipment_and CODE. sampling taps or equipment Chapter 7 of the Stockton in order to comply with Municipal Code is herebyy these rules. amended by addingSection 7- 6.The discharger shall insure 089.20 which shabe as tot- that all Pretreatment lacili- lows: ties including, but not lim- SECTION 7-089.20. DIS- ited to.flow measuring and CHARGE OF PETROLEUM CON- LEL monitors. are main- TAMINATED GROUNDWATER: Aained in proper working It shall be urnawful for any per- order at all times.All mea- son to discharge petroleum suring devices are to be Contaminated groundwater to calibrated for accuracy at a the sanitary sewer collection frequency as Prescribed by system of the Qty of Stockton, the manufacturer of the except as provided for hereon, monitoring device by a der,and in accordance with the qualified technician following . conditions and approved by the Director. restrictions: 7.In the evert a required flow 1.The maximum allowable measuring device is found concentration of total petro- to be inoperative or to pro- leum hydrocarbons in the vide unreliable information discharge ente mp the sani- as determined by the Direc- tary sewer shall be 1D for or a designated repre- mg/L.Compliance with this sentative, maximum vol- Provision will be enforced roves will be used for by periodic sell-monitoring billing purposes until such and laboratory analysis by time as the equipment is the discharger for total restored to proper working petroleum hydrocarbons order andapproved by the over the course of the dis- Oepartment of Municipal Charge. Sample collection, Utilities. frequency of sampling, 8.All costs incurred by the point of discharge,volume- Municipal Utilities Depart- tric or seasonal restric- mens for administration and tions, or other discharge treatment of the discharge conditions and limitations are to be paid for by the will be as specified in the discharger according to the Discharge Permit which rates specified for the com- shall be issued by the mercialcategory In the Director of MunicipalUtili• schedule of Wastewater ties. Service Fees in effect at the 2. Discharges shall not time of the discharge. exceed a concentration of 9.Connection fees for dis- 4.57 mg/L of Total Toxic chargers will be assessed Organics (as currently annually in accordance with listed by the Environmental the rate resolution of the Protection Agency for cate. Stockton City Council for gorical electroplatl dis- the commercial user Cate- chargers, 40 CFR 413.02 gory, amortized over a 30- (i)). Compliance with this year period. provision will be enforced 10.Any costs incurred by the by Arab samples obtained Municipal Utilities Depart- no less than once during ment for sampling and the permit term.Analytical analysis of the dischar in procedures will be in accordance with the fry's accordance with EPA rules Pretreatment Program will in Guidelines Establishin be paid for by the dis- Test vroceclures for a charger- Analysis sis o o u an s. 11. All sampling procedures. ri—nal Mule par schedules. and handling T31 71gTrah°ds 624 and provisions must be saps- = r 625. In addition, analysis factory to the Director of by the Perminee for ben- Municipal Utilities and all •i .'. _-,'1 zene. toluene. xyYlene and analyses must be con- ' ' �. 4L ethylbenzene (BTXE) will ducted by a laboratory cer- be required at frequencies III) d by the California coinciding wnh the sam- Department of Health Ser- pling and analysis for total vices for the specific analy- pelroleum hydrocarbons. sis conducted. SECTION III.EFFECTIVE DATE. - This ordinance shall become effective from and alter thirty (30) days from its final pas- Sage.