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PIP I
<br /> I IN rrr GMX-25 1 . 5 5 10. 5 - ,µ r -{ . .f • • 4' a EXPLANATION
<br /> - GMX-OWNW ' - GMX-31 1 . 5 4 . 5 10. 5 B (a) P eq . 0. 01 ND ND r �r =ti' GMX-21 1 5
<br /> GMX-8 1 5 B(a) P eq . ND B (a, P eq . ND ND ND B (a) P 0 . 0065 <0. 0057 <0 . 0059 B (a) P eq . ND ND GMX-24 ® Soil and grab groundwater boring
<br /> B (a) P eq . ND ND gap <67 B a P <0 . 0052 <0 . 0056 <0. 0056 B a fP <0. 067 <0 , 067 location (up to 61 feet below
<br /> B(a) P <6 . 7 <0 , 13 O O GMX-1 1 5 12 . 5 `' O 1 � ' . ground surface [bgs] ; August 2005)
<br /> Lr# ;, ; .. . go, _' GMX-3 1 5 B (a) P eq . ND ND 0. 008 , J GMX-2 1 5I II
<br /> GMX-24 2 4. 5 110 . 5 B (a) P eq . ND ND B(a) P <0. 067 < 19 <0 . 005 .. B (a) P eq . ND ND '� GMX-30 Soil boring location ( 16 ft bgs ; August 2005)
<br /> VIPPOPPOWB (a) P eq . ND ND ND z B (a) P <0. 067 <0. 067 �,t B (a) P < 1 . 7 <0 067 . r `
<br /> B (a) P <0, 00551 <0. 0056 <0. 0054 K E ,� IF GMX- 1
<br /> ` w494' , ■ iii ,k, ; f. GMX-OWNS ' IN
<br /> � � • ' y;� ' Boring location ( 15 ft bgs ; November 2003)
<br /> y■=+ rti �� ''' , . �. ` . 5 '► . ' _ srr # X * 4 r ' � B (a) P eq . ND I rbc
<br /> t1 111.
<br /> GMX-20 1 5J - ` - • r. t - - . ;^■ ` - - , - B (a) P <20 �' � { ® Surface sample location ( November 2003)
<br /> 41 B (a) Peq . ND ND I ` GMX 1 GMX= ` s , i
<br /> B (a) P <6. 7 <6. 7 ` Cross section location
<br /> .* A A
<br /> GMX-24 GMX=25 � *' z GMX, 4 1 ^ 4. 5 10
<br /> B (a) P eq . ND ND ND
<br /> GMX-30 1 . 5 4. 5 10 . 5 GMX-8 . B (a) P <3A < 19 <0 . 005 • - • • - Property boundary
<br /> B (a) P eq . ND ND ND
<br /> B (a) P <0 . 0054 < < GMX-2
<br /> 0. 0053 0 . 0051 • . °
<br /> • , P Sample location
<br /> - � Il , GMX-20 GMX= _
<br /> GMX-26 1 4 . 5 10. 5
<br /> � ., : • GMX- 13 1 5 ` GMX-2 1 5 �- Sample depth feet bgs)
<br /> t - ,�� B (a) P eq . ND ND IN B (a) P eq . ND ND ND B (a) P e ND ND P P (
<br /> 1 i GMX-4' B a P <0. 0051 <0 . 0051 <0. 0057 q
<br /> �' ,' B(a) P <0. 05 <0 . 005 . " GMX"=30 GMX=31 O B (a) P < 1 . 7 <0 . 067
<br /> N, ' • ■ �- Concentration in
<br /> GMX-27 GMX--23 GMX-23 1 5 milligrams per kilogram
<br /> GMX-32 1 5 10. 5 GMX=3 (mg/kg)
<br /> A ' B (a) P eq . 0.57 ND ND GMX- 1 °3 . g (a) P eq <0 . 067 <0. 067
<br /> ND
<br /> ` ..,
<br /> ► , B (a) P 0.52 <0 . 0053 <0 . 0056 MX-5I . E' V � • ( ) P Constituent
<br /> ■ GMX-32 GMX-27 1 . 5 5 10 . 5 11 . 5 16 . 5
<br /> t; GMX-6 1 5 10 4 B(a) P eq . 0. 18 0 . 28 4 . 9x10 -3 3.71 ND B (a) P eq . = Benzo(a) pyrene equivalent
<br /> B (a) P eq . 0. 12 1 .9 ND , GMX-6 B (a) P 0. 14 0 . 22 <0 . 0055 <3 . 6 <0. 0058 B (a) P = Benzo (a) pyrene
<br /> B(a) P 0 . 11 1 .7 <0 . 005 GMX17 ' *; ND - Non-detect
<br /> i3 -
<br /> i, GMX- 12I IN 1 41 MX, .
<br /> GMX-5 1 5 8 . 5 10 <=Analyte was not detected at or above the
<br /> 443
<br /> GMX-28 1 .5 4. 5 10 . 5 rr . ' B (a) P eq . ND 3.7 ND ND laboratory reporting limit indicated
<br /> B (a) P eq . ND ND ND 'l B (a) P <0 . 067 <3 . 9 < 19 <0 . 005
<br /> 0.57 = ( Bold) Analyte was detected at the
<br /> JI . B(a) P <0 . 0052 <0 . 0054 <0. 0052 GMX 1`4! concentration indicated
<br /> NIP
<br /> - [ . ,§ �, GMX=34 . GMX-7 1 5 �s J, . Notes :
<br /> ` r GMX=103�, a B (a) P eq . ND ND ` c
<br /> GMX- 12 1 5 GMX-9 _ -� B a P <0. 067 < 3 . 4 '
<br /> w B (a) P eq . ND ND GMX- 15 . = k 'Iii awp � ) 1 . Surface soil sample which appeared to have contained
<br /> B (a) P <0 . 25 <0 . 005 r ' �'-� a hydrocarbon like substance .
<br /> CIL �� IF
<br /> ' 4 . j GMX-34 1 . 5 5 10. 5
<br /> j '1 GMX-19 ti B (a) P eq . ND ND ND 2 . Aerial photograph from 1999 .
<br /> j ` : . : 'NIP
<br /> GMX-14 1 5 GMX- 16 I B(a) P <0 . 0051 <0 . 0051 <0 . 0051 3 . Borings GMX-1 through GMX-23 advanced
<br /> 2 B (a) P eq . ND ND GMX 11 : November 17- 18 . 2003 .
<br /> c B(a) P -� <0. 005 <0. 005 GMX-33 1 . 5 4 . 5 10 . 5 A
<br /> APO ,,, GMX-35 GMX-29 t B(a) P eq . ND ND ND + 4 . Borings GMX-24 through GMX-35 advanced
<br /> 0 0 GMX- 19 1 5 B(a) P <0. 0051 <0. 0055 <0 . 0053 August 22-25 , 2005.
<br /> f B (a) P eq . ND ND
<br /> IN
<br /> INI NPM x GMX- 17 GMX- 18 GMX- 10 1 5 ;, . : III OPP
<br /> -r, B (a) P eq . ND ND .�; ter '
<br /> o ,�� I , B(a) P <0. 005 <0 . 01
<br /> If IF I
<br /> GMX- 15 1 5 f '. ' ON 11 1 v A
<br /> N I
<br /> POP
<br /> B (a) P eq . ND ND GMX- 11 1 5
<br /> ' IIII 0 200
<br /> B(a) P <0 . 005 <0 005 B (a) P eq . ND ND -
<br /> 0 0 - _. i - "f" . .. �.,. .t . . . _ � - •: r.- . . �c . . _ . .�. . <r,.:,r�• - L ' .. t•. . _ B(a) P <0. 005 <0. 005 • �
<br /> µ
<br /> _.
<br /> y
<br /> SCALE IN FEET
<br /> IN
<br /> dim
<br /> wee PIP I
<br /> IN
<br /> GMX-35 1 . 5 7 . 5 + 10 . 5 _ _ t" _ s
<br /> GMX 9 1 5
<br /> B (a) P eq. ND ND ND GMX- 16 1 5 ti B(a) P eq . ND ND
<br /> B a P .y • ys _ f B (a) P <0. 005 <0. 01 SUMMARY OF DISTRIBUTION OF B (a) P IN SOIL
<br /> O <0. 0054 <0 . 0054 <0 . 0052 i B (a) P eq . ND NDPOP -IZI r ' r i �
<br /> " r *' } B (a) P <0. 005 <0 , 005 f ;•'=t x ,� � TAOC Tracy Gravel Pits
<br /> r K �■ , to ` , Trac California
<br /> y i. ' . GMX- 17 � 1 5 � F � ( It
<br /> B (a) P eq . ND ND NDNIP
<br /> Y,
<br /> B (a) P eq . ND ND GMX- 18 1 5
<br /> B (a) P <0 . 0055 <0 . 0056 <0. 0057 r �,
<br /> B (a) P <0 , 005 <0 . 005 B(a) P eq . ND ND i ' �. +. d • g ; Date : o3- OCT-2006 Project No . 7066 . 001 . 1
<br /> I It ,�.
<br /> P-Ei CL , � ,: .. � rff B (a) P <0 . 005 <0 . 005 r: : ;} st
<br /> 3 l -� ; �PIPrlai } A.; } ' r . � . , �. �` 1'� Z Geomatrix Figure 7B
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