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3.3 Additional Parameters <br />Additional water parameters tested for include bicarbonate, calcium, carbonate, magnesium, sodium, total suspended <br />solids, total phosphate, turbidity, and total extractable hydrocarbons. There are no limits imposed by the CDPHE <br />regarding any of these parameters. <br />3.3.1 Bicarbonate . <br />Bicarbonate concentrations have not shown an identifiable increase or decrease in concentrations over the sampling <br />period. <br />Bicarbonate <br /> We lls (CRMW ) Site/ <br /> 01 02 04 05 06 07 09 16 40 41 42 Grou <br />Oct-05 313.8 372.6 231.4 ----- 249.2 164.5 ----- ----- 215.3 324.5 ----- 267.3 <br />Nov-OS 296 409 276 299 233 149 632 381 231 330 394 330.0 <br />Dec-05 284 281 329 ---- 240 222 ---- ---- 209 320 ---- 269.3 <br />Apr-06 281 294 323 ---- 218 211 ---- ---- 192 315 ---- 262.0 <br />Jul-06 292 298 246 ---- 245 211 ---- ---- 153 336 ---- 254.4 <br />Oct-06 222 259 284 168 257 147 640 341 208 340 406 297.5 <br />Average .281.5 318.9 281.6 233.5 240.4 184.1 636.0 361.0 201.4 327.6 400.0 285.5 <br />Stnd Dev. 31.3 58.5 39.5 92.6 13.6 34.3 5.7 28.3 26.8 9.6 8.5 98.2 <br />Baseline 313 377 321 326 254 218 642 389 228 337 408 384 <br />The average result for bicarbonate is 285.5 mg/L with a standard deviation of 98.2. Based on the groundwater sampling <br />plan approved by the DMG, a site wide average may be used plus 1 standard deviation to establish background levels. <br />This will establish a site wide baseline bicarbonate concentration of 384 mg/L. <br />3.3.2 Calcium <br />Calcium concentrations have not shown an identifiable increase or decrease in concentrations over the sampling period. <br />Calcium <br /> We lls (CRM W) Site/ <br /> 01 02 04 05 06 07 09 16 40 41 42 Grou <br />Oct-05 136.7 119.6 104 ----- 125.2 115.8 ----- ----- 115.6 117 ----- 119.1 <br />Nov-05 110 110 100 130 99 91 130 110 80 110 110 107.3 <br />Dec-05 100 100 97 ---- 92 84S ----- ----- 79 100 ----- 94.7 <br />Apr-06 130 130 220 ---- 120 100 ----- ----- 110 110 ----- 131.4 <br />Jul-06 140 110 67 ---- 110 94 ----- ----- 73 110 ----- 100.6 <br />Oct-06 150 120 100 81 92 120 190 130 97 110 120 119.1 <br />Average 127.8 114.9 114.7 105.5 106.4 104.2 160.0 120.0 92.4 109.5 115.0 112.6 <br />Stnd Dev. 19.1 10.5 53.3 34.6 14.3 13.0 42.4 14.1 17.8 5.4 7.1 26.0 <br />Baseline 147 125 168 140 121 117 202 134 110 115 122 139 <br />.J <br />Annual 2006 Sampling Event -Lupton Lakes -8- January 2007 <br />