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11 August 1919 5-0I49 ;
<br /> AGE NC project
<br /> No 9
<br /> Page 8 of 10 1� GROUND CATER
<br /> CARBON-1MpACTE water
<br /> yDRO, ound , ;
<br /> 3.7'. PETROLEUM H ..
<br /> h dracarbans were detected yin to�6,bQQ
<br /> event, petroleum Y "led id,T'pB_g concentrations rang ne and xylenes were'
<br /> During the March 999 monitoring genzene>toluene,ethylben The h'ghest
<br /> es frciin twelve of the fifteen welss earn er)• b;iespectively. s'of
<br /> s=Pl acted as micrograi?� P b, 84 ppb al?d 62 pP a result
<br /> b,reP . b 9.0 pp. d MW-12. Th
<br /> per billion(Pp hi h as 9•d pp = from MW-4=MW an Table',
<br /> les collected man toeing event are pTe .erited an
<br /> detected at concentrations " g the March 1999 ,
<br /> concentrations were detected 5sample
<br /> 16�".for t
<br /> �ysi5 by EPA Method 8Q 1 f 17 Pb during the Mich
<br /> 6. W-5'at a concentration o. P les collected: 1';2-
<br /> L le collected from -t M -8, N1W"9=MW_14
<br /> as detected in the:san . d,c6inpounds were not-detected "the same b
<br /> TBA w enate W-3,MIV M. :detected, y
<br /> -lin event. Other oxyg W-1's M es, .
<br /> 1999 samp g 1 2-DCA)was detected iri M b to 60 ppb Nine additional analI'D Nos. 05359 „
<br /> Dich]oroethane( � in fram 1 3 Pp re ort,(MAl Lalaoratory
<br /> d EW-1 at concentratoxis rang g The laboratory P endix D•
<br /> Method 8260, are,Hated in Table 9.
<br /> EPA chain-0 forms are included in App round water
<br /> hough 05373) and ch . ' were defected in g
<br /> etroleum hydrocarbons, eci up to 14,000;Ob
<br /> l��g sampling event, p concentrations rang 12
<br /> the July. led: TPH-g h as 15 ppb°
<br /> During les ,
<br /> s from four of the Seven"wells e p were detected at concentra
<br /> not detected in the camp of
<br /> sample . ethylbenzene and xy drocarbansI Lvent. The results
<br /> Benzene;toluene, b,respectively.Petroleum hy. ling Table 7.
<br /> n,
<br /> Benzene-
<br /> to"
<br /> and 934-PP W-12 during the June 1999 samp resented on <,
<br /> pp W-6 M ,r_11 and 1VL onitoring event are p
<br /> ollected from M Sm1602 ar'e:presented in Table 8-
<br /> r
<br /> Method $015mV602 far,the 3 8011999'm
<br /> analysis by EPA: - EPA Method
<br /> tcal results by
<br /> Historical analyt --� and M\1-�14 at concentrations of 5.1 ppb
<br /> mated eompounds,wQre ;
<br /> cted from M ;
<br /> cone lin event.Oche; oxyg VJ-7,MW-9
<br /> TBA was detected in theunsamples the 3une .1999 sampling 1 2.DCA)was detected in M analytes,
<br /> ,d 13 pb,respectively, . tom. 1;2_pichloroetliane( ' es ectively.Ten.additional analy
<br /> an p les collec 1 .D
<br /> 86 ppb and 32�ppb r P MAI Labozatory
<br /> not, iri the same Phe laboratory report,( .
<br /> and MW_14 at concentration of 3.3 Ppb= endix D. °.
<br /> ethod 8260, are noted in Table, are'included in App
<br /> EPA M and chain-of-custody. forms
<br /> detected b, h 14480).
<br /> Nos 144,74 thraug
<br /> A1�D CpNC�,USItJ1�S
<br /> DTSCI3SS'ON ;
<br /> 4.0.
<br /> • ".. ... GE finds'. ;. ,, , ' " ''..
<br /> an data cgllected"fram the site, ABenzene
<br /> „!'as detected in six'of
<br /> Based up ]es analyzed•
<br /> m..Petroleum hydrocarbons were
<br /> PH� was'detected in'13"of the 26 soil same h as 6.9 P hydrocarbons
<br /> T g zed at concentrations,as 1?ig
<br /> he 26 sai�xples analyzed it trate 5 ana]yzed.frorri'the site. Petroleum . y
<br /> t the 26 so
<br /> riot detected 117 l''2 �� � advanced GeaFn��iroamental,Inc.
<br />
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