2008-01-15_HYDROLOGY - M2004078 - Laserfiche WebLink

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3.3.5 Sodium • Sodium concentrations have not shown an identifiable temporal or spatial trend in concentrations over the sampling period. The baseline level for CRMW09 and CRMW16 was not established in the WOBR because only two samples were reported at that time. Four additional samples are reported from December 2006 through October 2007 for these two wells. The baseline levels for these two wells have been updated using this additional data. The baseline level for CRMW01, CRMW02, and CRMW41 has also been adjusted to reflect data collected from October 2005 through October 2007 since no mining activities have taken place in the area of these three wells. Sodium Wells (CRMW) Site/Group 01 02 04 05 06 07 09 16.0 40 41 42.0 A VG Oct-05 133.5 162.6 77.6 --•- 144.9 79.4 ---- -•-- 97.2 118.8 ---- 116.3 Nov-05 130 160 110 140 130 110 160 130 110 120 140 130.9 Dec-05 130 150 110 ---- 120 120 -•-- ---- 100 130 ---- 122.9 Apr-06 150 170 100 ---- 120 97 ---- •--• 86 120 ---- 120.4 Jul-O6 160 140 87 ---- 110 100 ---- ---- 79 140 ---- 116.6 Oct-O6 150 170 110 89 99 120 180 140 110 140 140 131.6 Dec-O6 170.0 165.3 111.4 ---- ---- ---- 145.8 141.0 ---- -•-• --•- 146.7 Apr-07 167.7 169.9 81.7 •--- 118.4 ---- 188.6 144.8 ---- 148.3 ---- 145.6 Jul-07 161.0 153.0 69.5 ---- 110.0 ---- 171.8 135.1 ---- 155.8 108.9 133.1 Oct-07 155.9 139.4 85.5 127.3 113.3 ---- 169.3 129.3 99.8 176.7 109.6 132.6 Averaye 150.8 158.0 94.3 118.8 118.4 104.4 172.6 136.7 97.4 138.8 124.6 129.6 Stnd Dev. 15.0 11.9 15.8 26.5 13.2 15.6 17.1 6.3 11.5 19.4 17.8 28.9 2006 Baseline 155 171 150 ---- 150 150 ---- ---- 150 150 ---- 150 2007 Baseline 166 170 150 ---- 150 150 190 150 150 158 •-•- 150 The average site-wide result for sodium has increased 5.2 mg/L to 129.6 mg/L with a standard deviation of 28.9 mg/L. • Annual 2007 Sampling Report -Lupton Lakes -15- January 2008