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<br /> v P>Z-1
<br /> 7 B _ <0 5 Golf Course
<br /> 3T - <D 5
<br /> T13 _ -<170 13 - 2 8 Chevron ',� <0 5
<br /> MTBE - 240 T - 0 85 Gas Station X 'If
<br /> - <0 5
<br /> s c6
<br /> DIVE' - <33 E 2 - '7.9 TPH-G -n <50 sidewalk
<br /> oC ETRE - <35 X h x - 2a MTPEf
<br /> L TAME - 318' TPH,G `1;300
<br /> oL
<br /> MT13t 220
<br /> z O
<br /> i �
<br /> - 7
<br /> � pRIVE ��
<br /> BENJAMIN HOLTUj � rkf �
<br /> T13 =
<br /> <12,D00 B - Il 000
<br /> MTBE!a 18,000 X - 320 : Not Sampled,_
<br /> - f� DIPE -1 ;<250 Eh 200 E3 - <05
<br /> ETRE - <250 X f 1,400 I T f k� -% <05 ' BHD-2
<br /> TAME - 380 TPH-G 110,000, E % k <D 5 Sidewalk Le end
<br /> MTBE W 465,009 X - <O
<br /> a TPH-G-'<50 Groundwater Monitoring Well
<br /> MTBE -_ 'I E-3
<br /> Dual Pur o5e Sod Vapor Extration/
<br /> V) r `� E-7n .7- 41 E MW-2® Groundwater Monitoring Well
<br /> OV_ 1 - Story —"r V-10/ Dual Completion Sod vapor Extraction/Air
<br /> Not Sampledk MW-1 5-1 � Reoldentia! 5-g 5parging Well
<br /> V1 Pump
<br /> � o Housing
<br /> 1 l51and5 5-2�. G O Recovery Well
<br /> Block / 1
<br /> Wall 1
<br /> -E Y-12 = V-1 A Soil vapor Extraction Well
<br /> r sr 5 !'-, <0 5 1`�► i 1
<br /> o Tt,- - <05 / 1 Y`1 s (4 S-1■ Air 5parging Well
<br /> E - <05 E-12 1 1 1 I r i n s Stem
<br /> s X1< - <O 5 1 I Existing Groundwater Ext act o y
<br /> +, a/ TPH-G - <50 10/ j Facility � Not 5ampled i
<br /> L MTBEa - <5 5-8 1 h B Benzene,Micrograms Per Liter(ug/L)
<br /> c
<br /> o + 8u�ldfn B, - ,<O 5"
<br /> g # T Toluene ug/L
<br /> O -5 E_8 T} _ `<00 5 E Ethylbenzene, ug/L
<br /> 1 , V-4 A$ X ;<�<O 5 I
<br /> X Xylene,ug/L
<br /> Not Sampled, ii TPH-G Total Petroleum Hydrocarbons a5
<br /> 1 E-6 --A V-6 O � TPH-G q, >140 Gasoline, ug/L
<br /> Not Sampled MW-2 T �� ———! '1j MTBE <5 MTBE Methyl Tort-13uty1 Ether, ug/L
<br /> 5-3 Not Sampled E-3 I Oxygenates by EPA Method 8260
<br /> <D 5 TB Tertiary Butanol,ug/L
<br /> 1 S-4 /E-4 Not 5am led } MTBE Methyl Teri-Butyl Ether, ug/L
<br /> E � , - <05 MW-5 �_ "�_�— ��V-7 DIPE Di-loopropyl Ether, ug/1-
<br /> X } - 0 96 1 ��� V-11 rUST Gompiex ! A'� ETRE Ethyl Teri-Butyl Ether, ug/L
<br /> 7PHG-4 210 avETS 1 V-9/ l J V-8 7►
<br /> MTBE <5 4 5-7 '� / ��0 TAME Tertiary amyl Methyl Ether,ug/L
<br /> S-6 V-5 —�-�2 7' Approximate Extent of Benzene
<br /> sh
<br /> TraEnclosure -- -----1--- ----- s E-7
<br /> _ _ _ _ _ _ _ _ — _ _ _ _ 5-5 _ O Not Sampled NORTH in Groundwater, ug/L
<br /> Public Utilities Easement Block Wail T� 1
<br /> o 0 20 40 ,�1r Remediatian 5y5tem Piping
<br /> — — _ 13 v <0 5
<br /> B <05£ — i — — — — — — TEu <D5 s Scale in Feet
<br /> T ` _ <0 5- X ` - 00 5 55 Note
<br /> WeilS 6
<br /> E-3, E-4, E-5,E- , E-7, PK-2, BHD-2, MW-1, MW-2,
<br /> X W , �<Ci 5 Single Story TPH- G,- 280 PK-2 and MW-3 on a Semi-annual sampling Schedule Wells sampled
<br /> TPH-G - '&50^ Condominiums MTBE <5 Not Sampled during the 1st and 3rd quarters of each year
<br /> f
<br /> MTB>< -"��5 , SITE ARCO Facility No. 2133,
<br /> B CD 5� q - JG Stockton, California
<br /> 4 �`£��F 1 1�+OC�I T1TL�
<br /> T - <05 Housing MW-3 Constituent Concentration Map,
<br /> E -1<05 ResEdentiaf Not Sampled November 25, 1997
<br /> X - <0 5 B R O W N A N D PROJECT 4757 Figure
<br /> DATE
<br /> TPN-G 4' 50 ;
<br /> MTBE <5' MW-4 ! C A L D W E L 1, 12-23-97 3
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