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<br /> 28 April 1997
<br /> -AGE- project No. 96-0232 , ,?", I ;
<br /> T,60-
<br /> S,
<br /> ,of 7 i PA
<br /> L r Irl!'ry
<br /> Page
<br /> 43.' '.— GR WATER CC3NDITIONS
<br /> RELATIVE OUND T #'ryF:i
<br /> u ' ' d from;T'4 69 to i 5 12 feet belOw Site grade
<br /> 4n 19'Tuip, 1995;Agroudwater depths at the site range. . ;
<br /> r ed from',14.09 to 14 53 feet below surface
<br /> On 23 August.1,996,(,groud water depths at the site rang ; ; 1
<br /> grade. Betweezi July azid August 1995, ground water-'elevation at'the site increased ap e y ,
<br /> `pro drnat
<br /> :0:'49 feet i
<br /> "} calculated at 0 0047 ftlft, or
<br />�} Dn 19 .Tiny '1996,`the :grauncl water%,gradient 'at the siCe'.vuas 1 °E Fi ure 4 -
<br /> rbund water floe, direction,generally. S ,( .{g '
<br /> approximately;25 feet per mile:with' a g : lent was calculated at 4:01
<br /> On 23 Au st 1996;,the grad
<br /> relative Grind Water Eke a6;2,Map) o t
<br /> l:,�.. I-I
<br /> I(approxirr�ately`53 feet per mile) with aground water, gener y.
<br /> and direction
<br /> 1995; theigeneral g ou d water
<br /> y 'Relative
<br /> Gro?
<br /> n7d Wgter:Elevatio�a.Map). Between u y
<br /> flovi direction
<br /> rotate appromately ZS° toward the soutliiest:
<br /> { s1
<br /> • 1 .. .- _ 4 • 1 I I . 'til ' .v'•. • .. ', . - ry _r i t.
<br /> LILTS GF'GROUNL�:WATER'SAMPLES
<br /> 4 4. p,r1ALYTICAL RES : • _ r
<br /> PTI- and BTEX constituents were,'not detected in'any wells during the 7uly.or August;samplizig
<br /> T g .
<br /> events. However;.during the August sampi�ng.event; total petroleum hydrocarbons giaantified.'as.
<br /> I, in, MTBE'was
<br /> diesel TPI-I=d)'was'detected in NNW-l .ata concentration," f 1 I'O,P,
<br /> ..,
<br /> detected in rourid,water.s'amglesfrorn MW'.l-, 1�i1W-2 ad'Iv1V-. at concentrations of 4:6 ,ugi1; 380
<br /> y1, .
<br /> g
<br /> r 't g11'and;0:74:lcgrl respective Y.-_The'laboratory report.(Castle Analytical,).aboratory Deference
<br /> Number 817:and 862):'and chain.of-custody are included with Appendix E. Th lts o Ground Water
<br /> les are summarized in''Table S,- 4nalytical'12esu ;
<br /> quarterly groundwater=sampl . ,
<br /> Safi I&s r >I
<br /> r ,,. ,: ? , j , ,1,Y: ,+ . , -.•.,. , •. .. 1. '
<br /> LL SAMPLES L
<br /> ' 4.5 ti ANALYTICAL RESULTS OF pt]MESTIC WATER WE t
<br /> '} "_ tic.water well located ,
<br /> yw
<br /> ' pn`21 App 199,,7; a>grab4iground vSater sample was collected from the domes yfeet:dowri radient
<br /> _ •4 �. t.
<br /> - •
<br /> 1 ' . "at Roclfy's IRestauian (14659'North Thornton Road),'loeated approximately, g
<br /> ,west of taural g City Chevron szte:��The domestic water well sample was cdllected in response
<br /> i(south.. ), ., . .ling events Grab
<br /> round water,samp +
<br /> 'to.the'=detection of1VITBE.during:the 7uly-'and August 1996 g reserved
<br /> les were collected in a on e�Iitec'r'amber bottle, as well.as three.VOAs p
<br /> 1. ground water samp ^for analysislof m?s� '
<br /> i les,were suhm�tied`to;a state certified laboratory ;Lk
<br /> r�vith Y yclroc'hloric acid 'fhe.san 1?. , ' ",.., etroleum}i drocarbons,,.
<br /> and 1V1T$E:Lahbratory analysis'did not detect.any p Y
<br /> TPH-g,TPH d 'BTEX I .
<br /> m rab'ground.vvater.sampls''rhe analytical results;of the.domestic well:grab groundwater 'samples
<br /> g ater Samples.
<br /> 1,l• P ,-5 .., _ .,,. {, " ..
<br /> are summarized in Table 6 A�ralytical Results of.I7omestic YTrell Grab Ground Wofir
<br /> i• ! _ .0 k} _ it i,•i. ' 1 - .. l', '.� .' ' .^' r F, r .71
<br /> . r'= ' ,"1. r it .. ,• Y ' 5 '• ,
<br />
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