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GROUNDWATER QUALITY ANALYTICAL RESULTS SUMMARY <br /> SECOND QUARTER 2007 <br /> FORWARD UNIT <br /> MW-16 MW-17 MW-18 I MW-19 I DUP MW-21 I MW-22 I MW-23R MW-24 I DW-9690 <br /> Analyte Units 11/8/07 11/6/07 11/7/07 11/7/07 Il/7/07 11/8/07 11/8/07 11/8/07 11/6107 11/5/07 <br /> Field Parameters <br /> H Units 6.161 8,581 8.461 8.45 7.91 6.79 6.60 8.15 9.03 <br /> Specific Conductance I ambos/cm 1 15501 10201 R971 654 ` 111AI 71,1 90 975 541 <br /> Temperature 1C1 19.41 20.4 18.8 18.6> 19.2 18.21 18.2 17.8 19.0 <br /> Turbidi NTU 2 >999 101 0 Mgm ,'„ 01 3 >999 I <br /> Monitoring Parameters <br /> Arsenic mgjl4 0.0033 0.0026 0.0037 0.0037 0.0023 0.0027 0.0023 0.0030 <br /> Barium m 0.610 0.390 0.190 0.120 0.120 0.350 0.220 0.078 0.130 <br /> Bicarbonate mg/1 950 440 340 310 320 710 390 350 390 ,,,. <br /> Calcium m l 150 110 92 66 66 100 76 150 100 1`\ <br /> Carbonate m <br /> Chloride m /l 38 77 98` 38 38 35 29 160 49 <br /> Chromium,Hexavalent MP/1 00062 11 0 0033 0 0035 0 0031 I3 0 0035 00044 00025 <br /> Gasoline Range Organics m /1 <br /> Magnesium m /1 79 47 43 30 29 53 38 62 44 NA <br /> Nitrate as N m 1 19 11 8.7 6.0 6.0 039 12 32 36 AdA <br /> Oil and Grease mo <br /> 1 ,_. <br /> Potassium mg!] 8.7 8.4 7.7 6.5 6.5 6.6 5.7 4.8 6-3 <br /> Sodium m /l 67 46 421 39 391 491 411 100 60 RA-1-1011'; - <br /> Strontium m I 1.800 1.200 0.980 0.700 0.680 1.300 0.900 1.600 1.100 <br /> Sulfate m /1 40 79 711 501 501 261 701 280 70 NA <br /> Total Dissolved Solids m /l 940 690 6501 5101 5201 670 .4701 1200 780 NA <br /> Volatile Organic Com ounds <br /> I,1-Dichlorce0rane 1 0., i-I"1 `, s 0 1 I fl 11 O,l 0_11 <br /> Dichlorodifluoromethane /I 011 011 011 411 Olt 011 01� 011 071 417 <br /> Tetrachloroethene /I 0 11 0,11 0 13 0 11 0.11 <br /> Trichloroethene 0 T3 0 13 0 13 kf 0,13 4�3 T! 013„ <br /> Trichlorofluoromethane <br /> Notes: <br /> °C=degrees Celsius <br /> mg/l=milligrams per liter <br /> NTU=nephelometric turbidity units <br /> pg/l=micrograms per liter <br /> pmhos/cm=micromhos per centimeter <br /> Indicates that the analyte was not detected above laboratory practical quantitation limit. <br /> Value listed is laboratory detection limit or estimated trace(BOLDED)concentration. <br /> Not Analyzed. <br /> C:\PORN'A RD\FLP iQll'/T�bk.F61RlI2WR <br /> Geologic Associates <br />