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<br /> ,
<br /> SB-23 SOIL
<br /> ----- I _-__--i 1 _ _ W - ALEXIS.LN
<br /> 10/27/2003 fi ft 12 ft - z x a
<br /> f _ PEPPERCORN LN ``
<br /> a �-�------__; � __�.._�.�._ I
<br /> -TPHe 4,600 1,700 i O/ , - - - -------
<br /> E€h (benzene 0.8 0.2 _ f----- Z E i m ; TW-2 GB-2 SOIL m
<br /> W 9(14(1998 GW 7/811998 7.5 ft 9.5 ft r�
<br /> 1— o sD 160
<br /> -- -- z ---- - _-- - - -- ` ---- 6m=" , .
<br /> SB-24 SOIL r- --__-._ l 'TPHd 520 TPHe 1,600 1,500 i l
<br /> � � !oma� ;.�W_.__.-___I._--.-..-_�__;� x
<br /> f
<br /> ,
<br /> 10/27/2003 6 ft ;TPH 1,2DD X lanes 1.4 2,4 1 U Feet •
<br /> TPHe 620 r ` .238. i DA3g ------ _-_ __ t---------! ` 3 CALIFORNIA LOCATION fvtAP
<br /> i
<br /> 380 39 _I , t � t------ __._-,---------_I V' ------
<br /> - GB-1 SOIL GW --t` ��� °4°t 23� GB4 -- ---- - ----------i t
<br /> _ GB_-4 ; Proposed Boring Location
<br /> SB-25 SOIL
<br /> 7181199$ 6 ft ' f °o `�•� " `� d> ~�. ,' GW -- -.1 t------ ---? � --r_ r-------
<br /> 10/2812003 5 ft ` TPHc 9,100 ; f�'; -)°yy_1 �` 7/811998 0 Soil Baring Location
<br /> ' TPHd 140 > fl 1 `cl
<br /> TPH 720 ` �� 238-300-3 ,238300-03 ' �_____-�`C;` Monitoring Well Location
<br /> + TPHc 7,900 -! -` >� --- 1 r ------------
<br /> B123'--. G 238-300-043 3QD p3Z`ti ,GB6 __._,- _,_ -W_- J _f - ---,--- - 14� Historical Old Valley Pipeline
<br /> 23$300 042 .
<br /> �••®. / 2 E' GB-3 SOIL -+ z r- i W- - " r Historical Tidewater Associated
<br /> .,k
<br /> TW 3'- / j U ; ! Oil Company Pipeline
<br /> ss 24 •-® � .- i, 718/1998 7 ft ;-
<br /> $ •�®
<br /> .. i GB2 TPHe 3,6DD _;- Railroad
<br /> r' —� r
<br /> �+ '`®•.® "' �� -� q� Eth (benzene 1,5 San Joaquin County 1
<br /> SB-25'` `+�+� r•�•• �2 300;0 - ; ! ;r --- Assessors Parcel
<br /> 3S- tJ
<br /> °►, 238 300 DO ; ,v X /encs 3.9 -I i-.._.__ _ .-
<br /> °�' s ; 0 238-300.009 Y - W - -- 1 i
<br /> SB 43 �5B-26�� �•�®° 1 238.3 0 OTVtf�2 3 �' - - ' r Tracy Byron Road
<br /> ,n `. _ `®a• `�>� / r , 2 $-300-447 +`+ r GB3- O r-"- ; ~1r
<br /> �•• , o a ` J- r ,
<br /> 4 r ,���� / 1 r o IoA l -t f----_____ - Other HPP Site
<br /> M „ MW-1 i; ai. '/` G89':M ti �GB7 J !r. B-14 SOIL
<br /> kv �� cv w 3� ff - ii GW Inferred lateral extent of soil affected by
<br /> ry. oA • , B-17 SOIL 3/13/2003 6 ft 10 f1
<br /> GW hydrocarbons,where petroleum
<br /> 131 6 ft TPHd-. 520 940 360 constituents exceed PRGs and/or ESLs
<br /> 31 2003 r
<br /> �` a [ �l K' f J fl u fF I SI3-2$ •< r 38-pyo . �^ ; TPHmo 2,20_0 NO TPH t�[7 22 110
<br /> o r' 238.050-014 f 4 I OgS. " c TPHd 456 NR T H 1 400 -160 330 Inferred lateral extent of soil and
<br /> N r' o i gg'Y9, a 2 8-016-004 ;- groundwater affected by hydrocarbons,
<br /> ®� fl,. F �l 1 F In ` § where petroleum constituents exceed
<br /> MW-3 �T,0 f i '®.•®� ` ` B-13 SOIL / PRGs,ESLs,and/or WQOs
<br /> `�.,'`Z_ SB=19
<br /> B-3 GW '
<br /> 236-fl 04115 q / ® X311312003 6 ft Inferred lateral extent of groundwater
<br /> o :fl `a� f�l 1 + M SB-28 SOIL ; 5B=3 + ••r.,• �' • - r
<br /> y ha ®.• SB-18/ TPHd Nle 170 i affected by hydrocarbons,where petroleum
<br /> —.} .� .. 1012812(103 12 ft f /i v r,> / - -..
<br /> ------ J r �`� � � i� SB-31, $�� ®..r • f %`- / constituents exceed WQOs and/or ESLs
<br /> •
<br /> 7"
<br /> �• TPHC 3,200 _ 58=32' s i $B J)7 `SR'1 !r - Petroleum Hydrocarbons quantified as crude oil
<br /> 0 23$-D50-013 f rr *> ; 238-050-018 i 238 050 018 a�r r+ •v;' 4e YNR TPHC-Total Petr f m y q
<br /> z MW-1 SOIL SB-26 SOIL SB-30 501E f '! rte`' `' • rI m`'' ` TPHd=Total Petroleum Hydrocarbons quantified as diesel
<br /> o GW GW N ,' :58-33 +�+ �•.�i TPHg,=Total Petroleum Hydrocarbons quantified as gasoline
<br /> a 10/1811994 5 ft loft 10/28/2003 8 ft 12 ft 10/29/2003 14 ft o; �$ ®:,®�, 5B-16 ;_ TPHmo=Total Petroleum Hydrocarbons quantified as motor ail
<br /> 1�"„ �`' TPHog=Total Petroleum Hydrocarbons quantified as oil&grease
<br /> TPHd 660 NA --- /' TPHc 1,900 980 --- TPHe 810 0 �� �•,`e r .� TRPH=Total Recoverable Petroleum Hydrocarbons
<br /> ¢ TPH 72 N❑ ND M - /'1/ + ®•• '' SB-15/ ND=Not Detected at or above laboratory reporting limit
<br /> e r TPHd 110 Xylenes 2.4 N r �1' I ®•>�+„ •� , _-_=Sample not analyzed for this constituent
<br /> TPHmo 710 NA �' X /encs ND 4.7 NO rN I g •�•
<br /> o Y 23$-.530 13 _ + ( ft=Feet below ground surface.
<br /> , + S °®•• -.,l SB-14 PRG=U.S.EPA Region 9 Preliminary Remediation Goal
<br /> 238-050.022, `, ♦ •,
<br /> �"�•,, r' a.> � ' ,� a _ ( ESL=San Francisco Bay RWQCB Environmental Screening Level
<br /> r'Q% / °d.• SB-33 SOIL ( . 3§-570-014./,-,,
<br /> ; a+® •�®>O' / wQo=Central Valley RWgCB Water quality Objective
<br /> a (" w ® /' + •e`'L U.S.EPA=U.S.Environmental Protection Agency
<br /> . c�7 i �`�� It
<br /> !� -- 1 + `_.`•®.• 10129/2003 6 ft SB 4 $g-3 i .j��r�r•�e r B 7r `.+ 'irk RWQCB=Regional Water quality Control Beard
<br /> t TPHC 42D . . _ �c -'� �' v -Ail results are resented in milligrams per kilogram(mg/kg)for soft
<br /> v, 23 -010 OD2
<br /> ,. , , , C. ®a> P
<br /> SB-2 SAIL SB-8 SOIL 23$- 70-015 r' . g_76 �'�` and micrograms per liter(pglL)for groundwater.
<br /> _ Benzo a rene 0.039 NC3 -L` c• , +
<br /> O 9/17/1993 5.5 ft �i-R 23$D1 -oD4 7/26/1995 6.5 ft �' '� "®. + ; l`, 2'�e"�76;D16 r' o , - = SS 34` -Results presented in bold equal or exceed PRGs andlar ESLs for
<br /> • f • sail andlar WQOs for groundwater.
<br /> a ON / vS; + + _OG �•r For each sample,this figure shows only those analytes vrith
<br /> C:1 TPHo 730 �'� TPHe $60 / `O'Ar l �E/1/ i' "'` ti concentrations that equal or exceed PRGs,WQOs,andlar ESLs.
<br /> T Sq'o n 28 250-053 I g-94
<br /> o Eth benzene 1.6 TPH 580 �`e�' .,' , f' `•�.�®•I NNq� r' 13-95
<br /> Xylenes 4.D �.y TPHd 350 N ��� O4'D 23$- 50055 B-13 Map isarelative representationofcurrent and historicafdata and
<br /> fit' �ro ° ® should be verrrred torexacl legal or underground work.
<br /> a / TPH{( 26D t fr,_ 238=25056 •H 1
<br /> ' 238-S7D 014 SB-2 l TRPH 820 ;'``' ''1} �; f r ttl -1 �' ' 'r ~' r - ,rpt 2 s-zsD a57 HYDROCARBONS IN SOIL
<br /> l
<br /> ' �B9' ' AND GROUNDWATER
<br /> h 58-3 r' `-i Toluene 6.4 i L 238-250.059
<br /> M (fff ' SB-8 ,SB*-j f Eth (benzene 4.0 /r -:.,.. '` ' i { �+----------- `-•-�..,�rti 236 250.0fi0
<br /> r Benzo k fluoranthene 0.44 L Q� ) �• TRACY BYRON ROAD
<br /> S13-7 SB-9 SB-34 SOIL GW ( / , 88•rr
<br /> z
<br /> S134238-570 015 5B-8 , g.97 0� _. 12 ft 111 /,rl r rJ Tracy, California
<br /> ;' f 10/30/2003 6 ft '
<br /> TPHe 2,300 3,100
<br /> / 23$-570-01fi TPHd oArf:s1lvzooa ANALYSE:MOORECYN FIGURE:
<br /> 960 B-15 SOIL GW
<br /> f2 .SB-5 'I 0 `` 30 .66 ''�R � -._ 1 'r I Benzo(a)anthracene 0.047 0.2 ND 3/11=003_ 6 ft 9 ft _
<br /> 238-5 0-017` V `` Benzo a rene 0.058 0.12 NO " 3d
<br /> wHE
<br /> ui - - --_ -_ TPHd 62 22D NIS =.v
<br /> - - - � -- - �
<br /> o P Harr Srlclire to sofut ons
<br /> �-
<br /> ti FeetO-250.053 ! Naphthalene Nd 1.6 O.OG14 T'H NI7 130 $5D
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