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GROUNDWATER QUALITY ANALYTICAL RESULTS SUMMARY <br /> SECOND QUARTER 2007 <br /> FORWARD UNIT <br /> MW-1A I MW-2A MW-3A I MW-10 MW- 33A MW-14A MW-IS <br /> Analyte Units 5/8/07 5/8/07 1 5/8/07 5/10/07 5/8/07 5/10/07 5/10/07 <br /> Field Parameters <br /> H Units 6.691 6.201 6.921 7.08 5.89 -AiT 7.18 <br /> Specific Conductance mhos/cm 17001 14801 1240 551 1610 18901 855 <br /> Temperature °C 18.4 19.9 18.5 18.8 19.9 18.01 19.1 <br /> Turbidity NTU 4771 21 3481 7 2 41 5 <br /> Monitoring Parameters <br /> Arsenic m t a1i „QOEJ1 .#,.r„ #.O11Jt$ 0.0023 ,~ $ 0.0022 <br /> Barium mgA 0.130 0.370 0.200 0.210 0.590 0.300 0.270 <br /> Bicarbonate mg/1 750 890 510 300 1200 1200 440 <br /> Calcium to I 150 140 100 58 150 200 90 <br /> Carbonate m <br /> Chloride m 160 72 110 35 42 120 93 <br /> Chromium,Hexavalent m /I 0.0036 001 0.00411 OA025 0.0027 0,00221 0.0048 <br /> Gasoline Range Organics mg/1 0ifl093 O 009 0.flQ93, 0;0093 F O fl043 '_', 0 fl(39 , , 1tA0 <br /> Magnesium m I 74 72 49 29 81 98 46 <br /> Nitrate as N m I 2.6 2.7 11 4.2 11 1.4 6.5 <br /> Oil and Grease mg/1 19 1,9. " d.9 1';9 =' 19 I,,Q. }„ <br /> Potassium m /I 83 7.1 7.5 6.3 8.3 9.7 7.6 <br /> Sodium m 1 100 68 76 34 87 81 59 <br /> Strontium m /I 1.700 1.600 1.200 0.630 1.800 2.100 1.100 <br /> Sulfate to /I 120 38 57 41 42 37 42 <br /> Total Dissolved Solids mg/1 840 660 460 440 640 1000 650 <br /> Volatile Organic Com ounds <br /> I,1-Dichloroethane /I O 11 + 011 �.Il' O.�d011 O 11'. Q',1 <br /> Dichlorodifluoromethane /I 0.0$5 0 0.55 0085 <br /> Tetrachloroethene /I 0,11", 0 I I O) <br /> Toluene /1 �� <br /> Trichloroethene /1 <br /> Trichlorofluoromethane I 0.14. '- d",I I 0.14 0.29;0.14 '0_f4 0a4 <br /> Notes: <br /> °C=degrees Celsius <br /> mg/I=milligrams per liter <br /> NTU=nephelometric turbidity units <br /> pg/I=micrograms per liter <br /> µmhos/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 /> NA Not Analyzed. <br /> * Suspected field/laboratory contaminant. <br /> ouonwaw��ecr z4u�r.nk.�,in_a,zaia <br /> Geologic Associates <br />