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ILA
<br /> i'r �j
<br /> - .iirc 4%
<br /> "'"4C
<br /> }
<br /> r .•••. ' :� � '•s' :.rr , r . o *`ia if :.•: EXPLANATION
<br /> I"14r 4 •' n ' { GMX-24
<br /> ' GMX-24 t ® Soil and grab groundwater boring
<br /> •� F . 11 r� TPH-g <50 GMX-25 ; ' • ' ( P
<br /> location u to 61 feet below
<br /> TPH-d 770 TPH-d <50 . ,
<br /> TPH-d SG <50 = � ground surface [bgs] ; August 2005)
<br /> TPH-d SG 240 .m
<br /> • PAHs All ND PAHs All ND a £ �: �"" ' " ,- ' GMX-30
<br /> ;Lv�w�, :zp :, + v . * • Soil boring location ( 16 ft bgs ; August 2005)
<br /> 1 l . x ,. . , , F•, ,
<br /> 1 _ . .,n
<br /> w - .
<br /> i f arj GMX- 1 . Boring location ( 15 ft bgs ; November 2003)
<br /> . _ . . _ . . _ . _ . . 5 GMX-26 -,. ., I
<br /> Z' , f%� a , yam, • I GMX- 1 • GMX-21 ` • TPH-g <50 !11A 1100 I, '. ? S, Surface sample location ( November 2003)
<br /> GMX-24 ® ! TPH-d SG 240 j
<br /> GMX-25
<br /> PAHs All ND ` ► 11 ; a ' I • ; • — - - — Property boundary
<br /> AL GMX-2� , � . - � . ,r ,' � ; !•:
<br /> ` I I ` • , � ' ''41
<br /> 71
<br /> ., Y + • "! Sample location
<br /> liGPJIX-20 GMX-26l �`�
<br /> h x h >Y ", C• � * w � ' 't ' , � TPH- GMX-2650
<br /> • ` ti t I • • GMX-4 I N s - ,� y 9
<br /> i GMX -30 GMX -31 ' h " . w a 'C t TPH-d 1100
<br /> T . } Concentration in
<br /> ;, I :�' • '9 ':t "k * fi " �Y ,. ,. A r; . . TPH-d SG 240
<br /> GMX-27 GMX-23 I . a . � ' c �* ,, micrograms per liter
<br /> 'ti GMX-28 GMX - 3 v + 1 ,a ?,f Iy 4 7T 't to a :'� PAHs All ND /L
<br /> _ GMX - 13 S. . c - •� ( N9 )
<br /> TPH -g <50 • a� .� a . . ; dd%
<br /> 1 , r^ TPH-d <50 I GMX-5 I M i :�F '� l ��
<br /> TPH-d SG 53 GMX - 32 M If'�'r ' '�f Y+, t. i •i* a �l1 Constituent
<br /> r I GMX-27 � 'ri •� .� , g_ . fir,
<br /> PAHs All ND `
<br /> T —_ I GIViX -6 TPH-g <50 ' j ^ TPH -g = Total petroleum hydrocarbons as gasoline
<br /> TPH-d <50 1` 404�
<br /> - �? '! ? " � TPH -d = Total petroleum hydrocarbons as diesel
<br /> • �4 ''
<br /> GM V28 GMX - 7 � '°� ` '� �' TPH -d SG = Total petroleum hydrocarbons as
<br /> TPH-d SG <50 �` 3. ' ,
<br /> i —
<br /> ILIAMI
<br /> 2-methyl- 0 .078 '; . > , .
<br /> naphthalene ' :+� Op ,�► _ diesel with silica gel clean up
<br /> GMX- 12 GMX-33 � � i'#-', ;1�1 . �► 't�'•
<br /> LL I ® I Naphthalene 0.062 °Z y 4 '- 'wZ-i=a _'A . ! PAHs Polycyclic aromatic hydrocarbons
<br /> - t � ND = Non-detect
<br /> GMX- 14
<br /> le
<br /> < = Analyte was not detected at or above the
<br /> GMX - 34 I ri :
<br /> r l ++ GMX - 10 • _ ! �► • $ p ,� -*,t laboratory reporting limit indicated
<br /> GMX -9 4* �Or 4 i* '* 9) 240 = ( Bold) Analyte was detected at the concentration
<br /> GMX- 15 - 'MMS „0 w . ” indicated
<br /> s Ni ,
<br /> IN
<br /> E
<br /> ^ 11 I GMX - 19 ' 1 4 Note :
<br /> r i GMX - 16 1 . Aerial photograph from 1999 .
<br /> � •� GMX •- 11 / ' t
<br /> i ?. • GMX-35 GM
<br /> ° � ..fir.•+, [ �� •
<br /> GMX-29 'y ,
<br /> ` " *GMX - 17 GMX - 18 No groundwater }, ;
<br /> VIIE j ? I recovered W
<br /> f ji
<br /> o Eta , . I ' .' 0 200
<br /> Via
<br /> � y
<br /> If
<br /> I of
<br /> Ia
<br /> SCALE IN FEET
<br /> w ,, rte ► _ p - , pr
<br /> Via
<br /> _ .
<br /> i
<br /> DISTRIBUTION OF TPH AND PAHs IN GROUNDWATER
<br /> 7 ` AUGUST 2005 INVESTIGATION
<br /> IVA
<br /> 1 � 'I 1
<br /> t r z TAOC Tracy Gravel Pits
<br /> IN
<br /> Tracy , California
<br /> to I
<br /> y l ' B Date: 03-OCT-2006 Pro•ect No . 7066. 001 . 1
<br /> Ul -1 A •� ;- , ' is 1 • - I lrl �
<br /> N o . 1, �Eit:' , i ,: F : h hR; Geomatrlx Figure s
<br />
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