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Y <br /> x <br /> - , EXPLANATION <br /> ~ _ 4 South -1 ® Proposed soil/groundwater sampling location <br /> Operable unit (OU ) <br /> Area of interest (AOI ) <br /> OU -4 sample location <br /> TRY-8 D Previous soil sample location <br /> OU -5 <br /> TRY-1 ® Previous soil and groundwater <br /> sample location <br /> TRY-12 Previous groundwater sample location <br /> G•B8-01.13 20 Petroleum hydrocarbon affected soil <br /> TPHg 440 noted in boring or TPH > 100 mg/kg <br /> TPHd 770 <br /> OCPT-10 TPHmo 260 • ' - " - Former Tidewater Associated Oil <br /> Benzene ND Company (TAOC ) pipeline <br /> © South -1 Toluene 3.6 <br /> Ethylbenzene 12 Former Old Valley Pipeline (OVP) <br /> \ TRY-18 5.0 18.0 Xylene 9 <br /> TPHc < 1s 6.5 TEQ NT Groundwater flow direction <br /> • , \ • BTEX No No <br /> • \ • \ • , \ , TEQ 0.0018 No *CPT-21 t1 CPT-14 <br /> \ \ ft * CPT-20 OU -3 <br /> 18; <br /> ' \ TRY -88-OU3 <br /> = <br /> G <br /> RY14 <br /> { CPT-11 TTRY•14B CPT-15 <br /> ORY-16 Sample ID <br /> • , e • , \ • � TP <br /> \ \ • , TRY44 27.0 Depth in feet below ground <br /> < surface ( bgs) <br /> • \ ' • \ , nSouth -4_ , . _ . . -- TPHc 15.0 <br /> \ • -�✓- - - BTEX ND <br /> \ � _ , � . . � cPT-9 , ` TRY-10 6 . 0 18 . 0 <br /> *CPT;22� <br /> \ ' \ ' . _ , . ' , - . TEQ ND TPHc 73J� • BTEX ND NDTEQ 0. 035 ]040 <br /> .44 019 <br /> TRY-28 5.0 15.5 ` - ' _ - TRY-16 5.5 20.7 <br /> 7PHc <41 < 18 ' � . � , j „ � • , / . - TPHc < 13. 0 < 15. 0 Concentration of constituent <br /> BTEx No ND • , Benzene 0.0007 J <0. 005 in mg/kg <br /> TEQ 0.0015 ND TEX ND ND <br /> QSouth-2 ' 7 - '� Constituents <br /> �* TEQ 0.0017 0.0018 <br /> s , ► South-6; ' - <br /> Notes : <br /> : 1 . TPH = total petroleum hydrocarbons . <br /> South=5 !PI_ 2 . TPHc = total petroleum hydrocarbons quantified as crude oil . <br /> 1 " � 3 . TPHg = total petroleum hydrocarbons quantified as gasoline . <br /> 4 . TPHd = total petroleum hydrocarbons quantified as diesel . <br /> w 5 . TPHmo = total petroleum hydrocarbons quantified as motor oil . <br /> 6 . BTEX = benzene , toluene , ethylbenzene , and xylenes . <br /> T TEQ = benz(a ) pyrene toxicity equivalent. <br /> E + 8 . ND = not detected above the respective laboratory <br /> C) <br /> n R reporting limit. <br /> 9 . NT = not tested <br /> 10 . < = not detected above the laboratory reporting limit shown . <br /> a 11 . J = target analyte was positively identified , numerical value <br /> 3 r - # ` is approximate . <br /> _ 12 . mg/kg = milligrams per kilogram . <br /> 00 . <br /> C) • t t <br /> �. +� � • SOIL SAMPLE ANALYTICAL DATA <br /> C1 f I. <br /> M TRACY RAIL YARD SOUTHERN BOUNDARY - WEST <br /> Tracy Rail Yard Off Site South Area <br /> - l * ' Tracy, California <br /> z � � D <br /> 1 OQ} 0 100 j' - CDco <br /> B : JLP Date : 7/14/2011 Project No . QD11161140 <br /> AOL <br /> o Feet' �, <br /> u; t <br /> - AMEC Geomatrix Figure 5 <br />