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nom...-,..,,s',.�3��'• t,. � �" - - - r � -�- � � - �w[2` r�-�' G�L} „ <br /> ry` F,� <br /> r <br /> CiT:: OF TOCKTONti <br /> - _ <br /> 4. <br /> r. . �, <br /> _ OFFICE OF THE CITY MANA!�j ER <br /> CITY HALL - � - <br /> s a R= 425 N. EL OORAI]O STREET <br /> - = STC)CKTON, CA J52D2-1 997 - <br /> - [209)937-B212 - <br /> _ <br /> —F-AX-[209)937-7149 <br /> December•16,1999' - <br /> Ms. Donna Heran, REHS,Directory <br /> SAN JOAQUIN COUNTY._a <br /> ._ ENVIRONMENTAL.HEALTH SERVICES_,- <br /> 304E. Weber Ave, 3 :Floor <br /> Stockton, CA 95202 <br /> RE: UNDERGROUND STORAGE TANK,-325 SOUTH E00RADO STREET,.STOCKT N; CA <br /> ._ GATEWAY REDEVELOPMENT PROJECT <br /> Dear Ms Heran: _ <br /> We received your.letter dated December 7, 1999 regarding the_soil beneath:a found jw _ <br /> underground storage to nk1ocated along EL Dorado Street, just'south of Lafayette Street <br /> We respectfully request that y_ou'consider the folloviing ir�forrriatlon in determining the <br /> actions necessary,to close-this.site and.6 reby._aliowing the:Redevelopment Agencyao <br /> proceed with its project = <br /> This city block is part of the Downtown <br /> -Gate_ way,Redevelo fent Pro ect,-.which <br /> -� p� - �- ._J <br /> included the demolition of two-thirds of.:this city.block -During t demolition,.an _ <br /> _amu underground storage tank was located under.the_ sidewalk along EI Dorado :A permit <br /> was applied for, the tank°was removed,,-and the soil was tested per,your department's <br /> - 6 :'protocols." Tests of the pitand the sfoekpile performed by Twining Laboratories, <br /> showed nondetectable levels for benzene, toluene;-ethyl'benzene,1and.iylene (BTEX); <br /> methyl tertiary butyl-ether (MTBE),_and total petroieum hydrocarbons;gasoline and <br /> diesel (TPH-G and TPH-D). While preparing to backfill, a second tank was located <br /> .. _ <br /> `immediately to the'north-o_ fAhe first tank.: This secondtank was situated under the <br /> �Y <br /> R sidewalk in an east-west alignment and immediately adjacent-to El Dorado Street: - - <br /> - __._ _ <br /> _ = Again, permits were:applied for, the-tank-was removed, and soil tests were;performed : <br /> ws: W , <br /> - per your department protocols .=The locat�on'of these tanks corresponds with an old <br /> <: y.a <br /> - - <br /> auto repair_shop that hasn't been in business for over-twenty;years: <br /> - Twining Laboratories performed the soil tests.of the second.tank as welt.- Their results <br /> -= showed, again,nondetectable levels for,BTEX, and MTBE.z---T and TPH=D were <br /> _ _t .�:._ _ a_ <br /> detected at the eastern end of,the tank-location at:78 milligrams per kilogram (mglkg) <br /> and 62 mg/kg; respectively—A composite._of-the stockpile removed from'the-hole tested <br /> for TPH-D at only 21 mg/kg..-Additlonally,�'all tests for metals;;for both sites and the <br /> z <br /> stockpiles, were within eko6cted.ranges for dirt. "Your department currently has a copy:._ <br /> ...__of the Twining Laboratories_test results: - f_ <br /> "STOCKTON:.CALIF0RNIA'S SUNRISE SEAPORT" <br /> a <br /> s <br />