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PARAMETER
<br />Number of
<br />Analyses
<br />Number of
<br />Non - Detect
<br />Analyses
<br />Maximum
<br />Value
<br />Minimum
<br />Value
<br />Average
<br />Value
<br />Standard
<br />Deviation
<br />Median
<br />Value
<br />Acidity, Total (mg/I as CaCO3)
<br />157
<br />0
<br />952
<br />1.2
<br />182
<br />186
<br />154
<br />Alkalinity, Bicarbonate (mg/I as CaCO3)
<br />167
<br />16
<br />0
<br /><10
<br />0
<br />1
<br />0.00
<br />Alkalinity, Carbonate (mg/I as CaCO3)
<br />167
<br />1
<br />0
<br /><5
<br />0
<br />0
<br />0
<br />Alkalinity, Total (mg/I as CaCO3)
<br />137
<br />47
<br />0
<br /><10
<br />2
<br />2
<br />0
<br />Aluminum, Dissolved (mg/I as Al)
<br />179
<br />0
<br />159
<br />0.177
<br />38.35
<br />25.70
<br />30
<br />Arsenic, Dissolved (mg/I as As)
<br />71
<br />65
<br />0.007
<br /><0.01
<br />0.003
<br />0.001
<br /><0.005
<br />Arsenic,Total Recoverable in Water as As mg/I
<br />111
<br />93
<br />0.061
<br /><0.1
<br />0.006
<br />0.009
<br /><0.005
<br />Bicarbonate (mg/I as HCO3 ion)
<br />83
<br />81
<br />9.998
<br /><10
<br />5
<br />1
<br /><10
<br />Cadmium, Dissolved (mg/I as Cd)
<br />182
<br />1
<br />0.058
<br /><0.001
<br />0.023
<br />0.010
<br />0.021
<br />Calcium, Total (mg/I as Ca)
<br />176
<br />0
<br />420
<br />29.9
<br />197
<br />74
<br />184
<br />Carbonate (mg/I as CO3 ion)
<br />84
<br />82
<br />0
<br /><10
<br />4
<br />1
<br /><10
<br />Chloride,Total in Water mg/I
<br />186
<br />0
<br />317
<br />6.5
<br />82
<br />64
<br />66
<br />Chromium, Dissolved (mg/I as Cr)
<br />143
<br />29
<br />0.01
<br /><0.01
<br />0.002
<br />0.002
<br />0.002
<br />Chromium,Total Recoverable in Water as Cr mg/I
<br />42
<br />10
<br />0.006
<br /><0.005
<br />0.002
<br />0.001
<br />0.002
<br />Copper, Dissolved (mg/I as Cu)
<br />183
<br />2
<br />0.66
<br /><0.1
<br />0.22
<br />0.11
<br />0.20
<br />Cyanide Free, mg/I
<br />1254
<br />1247
<br />0.01
<br /><0.2
<br />0.01
<br />0.004
<br /><0.01
<br />Cyanide, Total (mg/I as CN)
<br />1255
<br />11
<br />0.47
<br /><0.01
<br />0.04
<br />0.02
<br />0.039
<br />Flow, Rate Gallons /Min
<br />2164
<br />0
<br />99
<br />0
<br />4.1
<br />10.8
<br />0.63
<br />Fluoride, Total (mg/I as F)
<br />180
<br />0
<br />59
<br />0.064
<br />9.6
<br />9.0
<br />8.6
<br />Hardness, Total (mg/I as CaCO3)
<br />179
<br />0
<br />1360
<br />246
<br />716
<br />256
<br />664
<br />Iron, Dissolved (mg/I as Fe)
<br />176
<br />1
<br />0.91
<br /><0.05
<br />0.26
<br />0.17
<br />0.22
<br />Iron,Total Recoverable in Water as Fe mg/I
<br />116
<br />4
<br />1.85
<br /><0.1
<br />0.27
<br />0.21
<br />0.22
<br />Lead, Dissolved (mg/I as Pb)
<br />178
<br />168
<br />0.004
<br /><0.005
<br />0.001
<br />0.001
<br /><0.001
<br />Magnesium, Total (mg/I as Mg)
<br />176
<br />0
<br />113
<br />20.6
<br />55.7
<br />19.7
<br />52
<br />Manganese, Dissolved (mg/I as Mn)
<br />184
<br />0
<br />30.9
<br />0.334
<br />8.4
<br />5.2
<br />6.985
<br />Mercury, Total (mg/I as Hg)
<br />181
<br />173
<br />0.0025
<br /><0.0002
<br />0.0001
<br />0.0003
<br /><0.0002
<br />Nickel, Dissolved (mg/I as Ni)
<br />179
<br />0
<br />0.206
<br />0.012
<br />0.077
<br />0.032
<br />0.1
<br />Nitrate Nitrogen, Total (mg/I as N)
<br />182
<br />0
<br />39.3
<br />1.9
<br />16.3
<br />9.9
<br />16
<br />Nitrite Nitrogen, Total (mg/I as N)
<br />181
<br />180
<br />0.062
<br /><0.5
<br />0.03
<br />0.02
<br /><0.05
<br />Nitrite plus Nitrate, mg/I as Nitrogen
<br />78
<br />0
<br />22.9
<br />1.9
<br />7.8
<br />4.0
<br />7.2
<br />Nitrogen, Ammonia, Total (mg/I as N)
<br />184
<br />55
<br />0.422
<br /><0.2
<br />0.08
<br />0.06
<br />0.062
<br />Oil and Grease Visual (No=0, Yes =1)
<br />1240
<br />0
<br />0
<br />0
<br />0.0
<br />0
<br />0.0
<br />Oxidation Reduction Potential (mv)
<br />20
<br />0
<br />746
<br />6.31
<br />460
<br />156
<br />449
<br />Oxygen, Dissolved mg/L
<br />1378
<br />0
<br />15.6
<br />0.2
<br />6.2
<br />2.0
<br />6.4
<br />pH, Field, Standard Units
<br />1650
<br />0
<br />7.2
<br />3.43
<br />4.3
<br />0.3
<br />4.3
<br />Potassium, Total mg/I as K)
<br />149
<br />0
<br />15.4
<br />2.35
<br />6.5
<br />2.5
<br />6.160
<br />Selenium, Dissolved (mg/I as Se)
<br />176
<br />78
<br />0.032
<br /><0.04
<br />0.008
<br />0.007
<br />0.007
<br />Silica, Dissolved (mg/I as Si02)
<br />6
<br />0
<br />22.7
<br />17.9
<br />20.1
<br />1.6
<br />19.75
<br />Silver, Dissolved (mg/I as Ag)
<br />178
<br />153
<br />0.011
<br /><0.005
<br />0.001
<br />0.001
<br /><0.001
<br />Sodium, Total (mg/I as Na)
<br />149
<br />0
<br />86.2
<br />11.2
<br />40.4
<br />12.7
<br />40.6
<br />Specific Conductance,Field (umhos /cm @ 25C)
<br />1378
<br />0
<br />2710
<br />171
<br />1459
<br />420
<br />1390
<br />Sulfate, Total (mg/I as SO4)
<br />186
<br />0
<br />1610
<br />268
<br />795
<br />268
<br />710.5
<br />Temperature, Water (Degrees Centigrade)
<br />1643
<br />0
<br />53.28
<br />0.1
<br />8.0
<br />2.6
<br />7.7
<br />Total Dissolved Solids, mg /I
<br />182
<br />0
<br />2770
<br />541
<br />1379
<br />417
<br />1300
<br />Total Suspend Solids, mg/I
<br />182
<br />176
<br />18
<br /><10
<br />5
<br />1
<br /><10
<br />Weak Acid Dissociable Cyanide, mg/I
<br />1255
<br />1227
<br />0.02
<br /><0.02
<br />0.005
<br />0.001
<br /><0.01
<br />Zinc, Dissolved (mg/I as Zn)
<br />185
<br />0
<br />4.95
<br />0.073
<br />1.49
<br />0.78
<br />1.29
<br />TABLE 5 -12
<br />SAMPLE LOCATION: AG -1.0
<br />DRAINAGE: AREQUA GULCH
<br />PERIOD OF RECORD: 1995 -2011
<br />ND = Not determined. Applicable in two cases: number of analyses = 1, or all analyses are non - detect
<br />Non - detect analyses are set at 1/2 the detection limit for average and standard deviation calculations.
<br />Median calculations use the laboratory analyses with less than detection values as negative.
<br />Dissolved arsenic was analyzed since 1995. Total recoverable arsenic was analyzed from 1995 -2006 Both forms are provided to indicate the entire analytical history.
<br />Dissolved chromium was analyzed since 1995 Total recoverable chromium was analyzed from 1999 -2006. Both forms are provided to indicate the entire analytical history.
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