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TABLE 32. WATER QUALITY /N ALLUVIAL MONITORING WELLS
<br />1998 - 2007
<br />MONITORING WELL MW3A
<br /> MW3A MW3A MW3A MW3A MW3A MW3A MIN MAX MEAN MEDIAN COUNT ND % ND
<br /> 3/31/03 4/30/03 521103 3/28/07 628/07 9/6/07 talc usin 12 DL
<br /> 7
<br />56 7.56 7.56 7.56 7.56 1 0 0%
<br />pH (std units) .
<br />490 490 490 490 490 1 0 0%
<br />Conductivity (umhos) 322 322 332 327 327 2 0 0%
<br />Total dissolved solids 332 n/a Na n/a Na 0 0 Na
<br />Total suspended solids Na n/a n/a Na 0 0 Na
<br />Hardness, total Na Na n/a n/a 0 0 Na
<br />Carbonate 137 97
<br />6 137 117.3 117.3 2 0 0%
<br />Bicarbonate 97.6 .
<br />Na n/a Na Na 0 0 n/a
<br />Alkalinity, Dissolved 112 80 112 96.0 96 2 0 0%
<br />Alkalinity, total 80 n/a n/a Na n/a 0 0 Na
<br />Nitrate NiVOgen n/a Na n/a Na 0 0 Na
<br />Ammonia, total 57
<br />5 55.3 57.5 56.4 56.4 2 0 0%
<br />Calcum, dissolved 55.3 . Na n/a n/a Na 0 0 Na
<br />Calcium, total 19 18 19 18.500 18.5 2 0 0%
<br />Magnesium, dissolved t8 12
<br />5 5
<br />12 16.3 14.4 14.4 2 0 0%
<br />Sodium, dissolved 16.3 .
<br />3 .
<br />3 5.27 4.1 4.135 2 0 0%
<br />Potassium, dissolved 5.27 98 98 173 105.50 105.5 2 0 0%
<br />Sulfate 113 Na Na n/a Na 0 0 n/a
<br />Fluoride, total 22 22 22 22.000 22 2 0 0%
<br />Chloride 22 <0
<br />2 <0
<br />2 <0.2 0.100 0.1 2 2 100%
<br />Aluminum, dissolved <0.2 .
<br /><0
<br />2 .
<br /><0.2 <0.2 0.1 0.1 2 2 100
<br />Aluminum, total <0.2 .
<br /><0
<br />001 <0.001 <0.001 0.001 0.0005 2 2 100%
<br />Antimony, dissolved <0.001 .
<br /><0
<br />001 <0.001 <0.001 0.0005 0.0005 2 2 100
<br />Antimony, total
<br /><0.001
<br />.
<br />Na
<br />n/a
<br />Na
<br />n/a
<br />0
<br />0
<br />n/a
<br />Arsenic, dissolved <0
<br />1 <0
<br />01 <0.1 0.0275 0.0275 2 2 100%
<br />Arsenic, total <0.01 .
<br />051
<br />0 .
<br />0.051 0.051 0.051 0.051 1 0 0%
<br />Barium, dissolved .
<br />049
<br />0 0.049 0.049 0.049 0.049 1 0 0%
<br />Barium, total . n/a Na n/a n/a 0 0 Na
<br />Beryllium, dissolved Na n/a n/a Na 0 0 n/a
<br />Beryllium, total n/a Na Na n/a 0 0 Na
<br />Boron, total Na n/a n/a n/a 0 0 n/a
<br />Cadmium, dissolved n/a Na n/a Na 0 0 Na
<br />Cadmium, total n/a n/a Na n/a 0 0 Na
<br />Chromium, dissolved Na n/a n/a Na 0 0 Na
<br />Chromium, total n/a Na n/a n/a 0 0 Na
<br />Cyanide, total Na n/a Na n/a 0 0 n/a
<br />Copper
<br />dissolved
<br />Copper <0.005 <0.005 <0.005 <0.005 0.0025 0.0025 2 2
<br />2 100%
<br />100%
<br />,
<br />total
<br />Copper <0.005 <0.005 <0.005 <0.005 0.0025 0.0025 2
<br />2
<br />2
<br />100%
<br />,
<br />Iron, dissolved <0.03 <0.03 <0.03
<br />03
<br /><0 co.03
<br /><0
<br />03 0.015
<br />0
<br />015 0.015
<br />0.015 2 2 100%
<br />Iron, total <0.03 <0.03 .
<br />Na .
<br />n/a .
<br />n/a Na 0 0 Na
<br />Iron, suspended <0
<br />03 <0.03 <0.03 0.015 1 1 100%
<br />Iron, Ferrous (Fe2+) . <0
<br />03 <0.03 0.015 0.015 1 1 100%
<br />Iron, Fertic (Fe3+) <0.03 .
<br />Na Na n/a Na 0 0 Na
<br />Lead, dissolved
<br /><0
<br />005 <0.005 <0.005 0.0025 0.0025 2 2 100%
<br />Lead, total <0.005 .
<br /><0
<br />01 <0.01 <0.01 0.005 0.005 2 2 100
<br />Manganese, disc.
<br /><0.01
<br />.
<br /><0
<br />01
<br /><0.01
<br /><0.01
<br />0.005
<br />0.005
<br />2
<br />2
<br />100
<br />Manganese, total <0.01
<br />.
<br />Na
<br />n/a
<br />n/a
<br />Na
<br />0
<br />0
<br />n/a
<br />Mercury, dissolved <0
<br />0001 <0.0001 <0.0001 <0.0001 0.000 0.00005 2 2 100°
<br />Merwry, total . 015
<br />0 0.015 0.021 0.018 0.018 2 0 0%
<br />Molybdenum, diss. 0.021 . Na Na n/a n/a 0 0 Na
<br />Molybdenum, total n/a n/a Na n/a 0 0 n/a
<br />Nickel, dissolved Na n/a n/a Na 0 0 n/a
<br />Nickel, total n/a Na n/a n/a 0 0 Na
<br />Phosphorous Na n/a Na Na 0 0 Na
<br />Selenium, dissolved Na Na n/a Na 0 0 Na
<br />Selenium, total Na n/a Na n/a 0 0 Na
<br />Silver, dissolved <0
<br />001 <0.001 <0.001 0.0005 0.0005 2 2 100%
<br />Silver, total <0.001 .
<br />001
<br /><0 <0.001 <0.001 0.001 0.0005 2 2 100%
<br />Thallium, dissolved <0.001 . Na n/a Na Na 0 0 Na
<br />Vanadium, dissolved <0
<br />001 <0.001 <0.001 0.0005 0.0005 2 2 100%
<br />Thallium, total <0.001 . Na n/a Na Na 0 0 Na
<br />Vanadium, total Na Na n/a n/a 0 0 Na
<br />Zinc, dissolved 015
<br />0 <0.005 0.01 5 0.0088 0.0087 5 2 1 50%
<br />Zinc, total
<br />dissolved
<br />Uranium <0.005
<br />0.154 0.19 .
<br />0.14 0.0509 0.226 0.183 0.0509 0.22 6 0.16 0.168 5 6 0 0%
<br />50%
<br />,
<br />suspended
<br />Uranium 0.15 <0.0002 <0.0002 0.1 5 0.075 0.0750 5 2
<br />1 1
<br />0 0%
<br />, 0.219 0.219 0.21 9 0.219 0.21 9
<br />Uranium, total Na N a n/a n/ a 0 0 Na
<br />Thorium-228, dis. (pCi/L) Na N a Na N a 0 0 n/a
<br />Thodum-230, dis. (pCi/L) Na n/ a n/a n/ a 0 0 Na
<br />Thorium-232, dis. (Ci/L) 8
<br />0 0.8 0. 8 0.8 0. 8 1 0 0%
<br />Radium-226, dis. (pCUL) .
<br /><0
<br />2 <0.2 0. 8 0.45 0.4 5 2 1 50
<br />Radium-226, susp. (pCUL) 0.8 . n/a N a Na n/ a 0 0 Na
<br />Radium-226, total (pCi/L) Na N a n/a N a 0 0 Na
<br />Gross Alpha, dis. (pCi/L) n/a N a n/a N a 0 0 Na
<br />Gross Beta, dis. Ci/L
<br />NOTES: Mean and median statistic calwleted usng onefieM the detection limit (12 D.L.) <= not detectetl ffi detection limit shown ND, %ND =number and percent of non detette
<br />Results in mglL unless otherwise noted.
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