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<br /> "07-Y
<br /> 6ivalY 1997
<br /> AGE-NG,P r9ject; 6.-1-95-'0114;` J , ;
<br /> ,'Page 36f.5.
<br /> 33: CHLORINATED-HYDROCkRBON-'IMPACTED,'GROUND,WATER',,
<br /> ti During the December 1996,'sdmplink,'chlorinated
<br /> hy,dirothrbdhs' Were,,detedtedin, he sample
<br /> collected from qiqfiitorin' g,,welUMW'- l°;2 --
<br /> T�il.cohcentrafion§'.of 5,2010 ppb 6§-T, -di
<br /> -2
<br />+'e --' DCE);'620,ppb't6tiachloro'ethene'(PCE)'and 420-ppb t"h6hl6r6ethefie(TcE).,Vifiyl.chloride' wa"s,dilsq'i
<br /> -.A
<br /> detected in the same sample at-a'qoncentriafl6n bf-I 8'0 p
<br /> Pb".
<br /> urids'I,2 16'fT'
<br /> The compc 'V).C" E'-PCE'TCE and Vinyl chloride also detected in sample from MW.
<br /> ) *
<br /> 1,at,concentrations of 0.85-Ppb'.11,p b;,0_.75'ppband`3.1pp ,respd6iiv6iy. Additionally;
<br /> ....',, 'dichlorbb6iize'n'e- �drid.""I,I'-dichloroethand'-7'(I,I.-D'CE)�.'were det&ted' in 'th& same '..sample, 'at
<br /> concentrAtions,6f 3:4.ppb and 0.63:ppb,,
<br /> 1,2-:I)CE, PCE and TCE Were de'tected iii MW I at concentratio' ns of 23 1 ;.5.b PV and.8.7'`. ," ' '`• .7 ppb
<br /> -".res pectilvely. PC,E, and--,chloroform` were detected "in the �,sarriole fr6m-,MW4 and-.MW75',Lat
<br /> cbheen'tratioris a§'high"a§1.1.5,ppb. Chloroform
<br /> . is'.used as an additive 6.grd.und.wait'er for bacteri
<br /> a..,
<br /> disinfection. Analyic41!results-for chlorindtedhYdrocarbons compounds-in ground water iamples '
<br /> .'
<br /> are.summarized in Table 3' A nalyticail Results of Chlorinated HydrocarbonComp )i ,
<br /> ou ds. Thd
<br /> ab6ratory'repoft(MAI Lab6iatory ID numbers 72171 through 72175),chdin-476usiody and QNQC ,
<br /> '
<br /> luded in Appendix
<br /> report are inic' B
<br /> 4.0CONCLUSIONS AND'RECOMMENDATIONS' -
<br /> 4.1.' 'CONCLUSIONS
<br /> a'sed upon results g�ound1. ater.�rnonitorin .,and..well sampling,,AGE has the'
<br /> llowm
<br /> g ,
<br /> conclusions:
<br />',
<br /> 4-, During the December;1996`saihplifigj'tlie'deptll to ground ii--t'at.ili6 site ranged from 30'93
<br /> .,wa
<br /> '.'to 32.60- eet,�with'th6-gr6u' nd'wdter flow i A
<br /> The-.groi�n&",, .
<br /> f direction toward the east.' 6,north.ea.s_t:'
<br /> flo)x� directioii
<br /> Ater &Nj�,directibri'shifted approximately;:45 t6w"and ,c
<br /> ,,the from' the
<br /> deiermiried,,during.the
<br /> previous,sampling event.
<br /> Acte
<br /> .-,"WeIj"`MW-,5 now represents the•';,,�esterii'ilp"gia�ieni'ex,te�t'.of the hydrocarbon im
<br /> �vever the eastern,and'northeastern; doWn-g'radi ent-ext67
<br /> groundwater at the site. Ho ofthe
<br /> z, ,dissolved vId'
<br /> me has not been,delineated.-
<br /> iftilizing;A diff aied-.6 th
<br /> MAF, eieritanalyti6al fechhique comp e pTeviou§ly�used-ldb
<br /> orl�
<br /> "..=det(,-6ted.'the,'Oiesbn'cdo'fl6WConc�-Intrations.ofthe.-BTE&Xcompounds'indlI theground)
<br />•'' -.-,water sampl
<br /> es.
<br />
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