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__ s1u 'v1 'Syt-���:ra;,. �.e•'+s�4� ® a @ � _ 1 _ x„� ,.tea 3 ^L–s +seaHFs�' - - �-�_'�— <br /> cy'y��;� <br /> i5:—vm'r',•y""F'Ss axiom' 5.e!rV + <br /> Problem Assessment Report <br /> USA Petroleum Station No. 65, Lodi, California December S, 1889 <br /> r <br /> AGS $7050-3 <br /> Nine soil borings have been drilled and converted to ground-water monitoring wells. The <br /> only evidence of soil contamination was in the borings drilled during the initial 1987 <br /> investigation. It W'66'r:opirsiem.that.further ciedineafia':r'of soil`contnrttination;is;aiso;nof�; <br /> 1�gpleedC o5ystenis�ecomrrten s quarterly`monttorrngcf welly S4L S 2,'k1ndA1W-g;iliiatfgE" <br /> MW- in tinder-its`�vts1[ra�� '`if'coritanimat ion is di ;erring furflieT'tn ttie`goii#ti"east�ddlvafdS <br /> tlra l i i`ti al v611'rh00?aximately...1,500 feet'downgradient,fron:ilii"sire! 3�,KA litiRtl;.avis. <br /> recerttirierrd'iY1on n{iratloit u p'test to:f�;rthee,eva:lunte aquif�rLcharactdrtstiee '-Foll0 in <br /> the pump test, a feasibility study should be implemented toy>evnluate�remed ,ation <br /> alis:�aEav ;4'crr�alrt"aryrc�craacf�wator•. ,As:pari�cf�llre�feasit�i.litywsEpciy,.additiorrai.,rrranstorirrg , <br /> u+el4u'�t1lttire� .b iYtAt�:llcdof{site:.to the:nort!} Wet. of <br /> r�heatod; tlre-results:>ralroulcf: be-,included rtf%°:i1re;_Pinal�r <br /> Various methods of remediatingground water are presented at the end <br /> of this report. Remedial-action options for ground water include monitoring and continued <br /> assessment,biorernediation,air stripping,carbon adsorption,direct discharge,bioreactor and <br /> waste hauling. <br /> We recommend copies of this report be sent to Ms. Laurie Cotulla of the San Joaquin <br /> eryounty Local Health District, Environmental Health Division, P.Q. Box 2009, Stockton, <br /> r" California 95201, and Mr. Gordon Lee Boggs of the California Regional Water Quality <br /> Control Board, Central Valley Region, 3443 Routier Road, Sacramento Ca!ifornia 95827- <br /> 309". Please call if you have any questions regarding this project. <br /> { <br /> Sincerely, <br /> Applied GeoSystems <br /> - F <br /> Eloise K. Frick r <br /> Enclosure <br /> Project Geologist <br /> a <br /> Rt `fit <br /> - - 1V <br /> , •4�aa/led Cev�y�l�rr�� W�. _ <br /> r • <br /> 'YG-- <br /> 4 t. <br />