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' HISTORICAL ANALYTICAL RESULTS
<br /> GROUNDWATER
<br /> CORRAL HOLLOW SANITARY LANDFILL
<br /> MW-4
<br /> Units:ma/l,unless noted
<br /> Sample Uesignation - M
<br /> Sampling Date 09/07/93 12/03/93 03/03/94 06/08/94 09/12/94 12/08/94 03/02/95 06/01/95 09/05/95 11/30/95 03/01/96 06/03/96 09/04/96 12/02/96 03/19/97 06/06/97 09/10/97
<br /> Monitorina and Field Parameters
<br /> General Water Qualk Parameters
<br /> Temperature,Field((°C) NF2 NR NR NR NR _21.3 21.3 24.5 24.9 22.6 21.8 24.7 22.1 20.2 21.8 21.0 23.6
<br /> ---Chloride 260 280 290 370 290 280 290 300 400 270 280 130 250 2-80-2-84 290 278
<br /> Nitrate-Nitrite as Nitrogen 7.1 1.9 7.5 9.3 7.1 8.7 7.5 8.8 10 9.4 7.8 9.8 10 8.3 11.6 12 9.1
<br /> -Total Dissolved oli s 1,900 1,800 1,800 1,800 1,900 1,800 1,700 1,700 1,800 1,800 1,700 1,800 1,700 1,800 1,830 1,900 1,800
<br /> Sulfate 620 430 610 1300 600 630 630 670 680 -65-6-680-- 300 660 590 672 680 561
<br /> _pH, eld(units) 7.53 7.30 7.38 7.39 7.65 7.10 7.24 7.48 7.24 -7.18-7.02 7.40 7.04 7.42 7.87 7.64 7.31
<br /> Electrical on uctnrity,field(umhos 1,746 1,521 1,895 1,822 1,871 1,443 2,390 2,370 2,390 2,190 2,500 2,260 1,858 2,070 2,380 2,140 71
<br /> 2, 0
<br /> -fur dity, ie (N>= R NR f�TR NR NR 53.9 32.9 111.6 167 >200 >200 >200 >200 >200 2022.7 100.2
<br /> Calcium
<br /> Potassium
<br /> Magnesium
<br /> Sodium
<br /> Volatile Organic Compounds(ug/1)
<br /> -..-. ---- _ - --- - --- - -
<br /> Acetone NR- --- NR -- ..NR-NR NR <4.4 <4.4 <4.4
<br /> Benzene ND ND ND ND ND ND ND ND ND ND ND NO ND ND ND ND ND
<br /> Bromomethane _
<br /> 2-Butanone ND ND ND ND ND _N D ND ND NDND ND ND ND ND ND ND ND
<br /> Chloro formNR <0 5 NR NR NR <0.31 <0.31 <0.31 <0.2 <0.2 <0.5 <0.2 <0.2 <0.2 <0.2 <0.2 <02
<br /> Dichlorodfluoromethane NR_<I NR NR NR <0.49 <0.49 <0.49 <0.3 <0.3 <0.5 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3
<br /> 1,1-Dichloroethane _N D ND ND ND ND NO ND ND ND ND ND ND ND ND ND ND ND
<br /> cis-1,2-Dic loroet ene ND ND ND ND ND ND ND ND ND ND 907- ND ND ND ND -ND-ND
<br /> trans-1,2-Dichloroethene ND-ISD ND ND _ND NO ND ND ND ND- ND ND FID- N ISD ND __ND
<br /> 1,2-Dichloropropane ND ND ND ND- ND ND ND ND NO ND ND D ND ND ND ND ND
<br /> -Ilethy ene C orld
<br /> Methyl tart-butyl ether
<br /> -Na tha ene --
<br /> --Tetrac oroet ene R <0.5---NM2--N"R NR <0:44 <0�4<0.� -"-<�$ <0;3 <0" <0.3 <0.3 <0.3 <0.3
<br /> < ,3
<br /> o uene
<br /> 2 - rc oro enzene -- ---------- ----_.-- - -
<br /> _.._`TricFloro uorome an® <CO:4 <4;4 <O.
<br /> • r me enme
<br /> Vinyl ode <�5 i�R- --�1 Fi-NFF-- x®,313 _<0 39--<0.3 <0,4 - <0.4 <0.5 <0,4 - .4-<0. <0.4 _<6_X
<br /> -<0.
<br /> m,p- ene -w
<br /> o-Xylene
<br /> Organic compou-nds--de-tected in one or more samples are listed.
<br /> [1]=This analytical result appears to be anomalous and therefore was not used in the statistical evaluation procedures.
<br /> (1)=Also found in one or more quality control blanks
<br /> '=Trace concentration
<br /> NR=Not Requested
<br /> MW-4;Printed:1/15/2004 9 of 28
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