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<br /> ARM(,, ' =r3 Apn1, 2012
<br /> 1,*,ft s 't?t�#C1Q,rSi 4 l''f; fir#; , 0,0,t JnCA .r3T-A V771U
<br /> General Site Conditions raj
<br /> • Geology-and Hydrogeology: The'Site is underlam;by interbedded and,intermixed,sand,.t
<br /> .�.a �... Ls�a s.r� t: « &�ia�F # f � � r f�i.!'"°t.�.>
<br /> ,sjlt and clay- The depth_toYgrouridwate�r�varies betV e5hi12-and'1 'fee�t'bgs aand't�h -
<br /> groundwater gradient,is northea f gat4app�ox mateVik OO AWI$i-
<br /> • Groundwater Trends: There are more.than 12 years of groundwater monitoring;data four-.
<br /> this Site. TBA trends are shown below,;source areaaMW 1), near down gradient
<br /> 'BMW=4)wand'faKdoywn gradiegHt!(MW¢-7)"..' t# 3 � .. t j Oft _ty}i`Oy tYy {!y
<br /> 'roe,` vi + "7:',t!#d6,1#il[}.
<br /> TERT BUTYL ALCOHOL(TBA)Results for MW-1
<br /> Wp�*�Fly �+e
<br /> Wit-.60 i4�-("UU's
<br /> 7: v��1�� .¢fes 25000 � t A _ R w ws���;✓I t m��l�4 t.}'GF k J
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<br /> 11
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<br /> ,}�ryy�; i +pal may }* �g 4� re *�s!'�} qty i
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<br /> 3 a 33rs )I'n;
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<br /> N** �4, �y.
<br /> .+✓" # Ilat .ft 43d'�iJ.�1 "I�FsA° 'tt" '�7 "` I � F'S"&#.f'�+ ,f r_+. w,. gel .t�3.�, _ 061 a0001:
<br /> Mc ori-tor ') ""Iw:
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<br /> y..,�1S4t')`i °vj�. ?4x# jq�e ,' �#*� t. k� TERTYL'ALCOHOL �y3
<br /> �T
<br /> z a ERPdOL(TBA)Results for MW 4
<br /> 18"i�,o r w 1t{�tt drit TBUTYL ALCO
<br /> �
<br /> no M. „m,'`I
<br /> '..:iLA $wy� y + a.{ y � >F gs000 t fey + g -} j t a&g�r�y �#�yy '401,10�y�
<br /> ttr 1dk:;t fI,}&3= '�y' d 1sr t'.:'''Tt��� t7 t :5 °i-°..: 38 a [ 4!i.T"I+rA:iv'E['.+X`Sd �3yf�t 137+ x �e,Tir�:..r}�i'
<br /> ro -;'}.` ,,,,;� i T z > ,:'a ts�
<br /> . 3000
<br /> rx 3 S { je
<br /> ..dd } - ar '' TERT BUTYL ALCOHOL(TBA) T r1A-�. '� iii'
<br /> i1A-14,
<br /> yp y# �i� � � TERT BUTYL ALCOHOL(TBA)Results for MW 7 �� y€3t � ix "£ ` °y,” -y .sJ•t #4N
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<br /> BUTYLALCOHOL(TBA) T
<br /> Risk Evaluation
<br /> 'There are CDPH supply:wells or surface waitercreceptors present within 2,000 feet of the.Site.
<br /> Drinking water at and near the Site is'currently:supplied bythe City of Stockton `
<br /> Recommendation
<br /> In April 2008, the Fund recommends-that the San Joaquin County LOP should'„direct the
<br /> Responsible Party to assess remedial technologies to achieve Water Quality Objectives more
<br /> rapidly. The Fund will review this site next year to track progress
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