Laserfiche WebLink
3.1.4 Fluoride <br />Fluoride concentrations have not exceeded the PDWS nor have they shown an identifiable increase or decrease in <br />concentrations over the sampling period. The fluoride concentration in CRMW06 during the October 2007 sampling event <br />exceeded the proposed baseline level of 1.40 mg/L by 0.01 mg/L. There were no other exceedances of the baseline levels <br />during the December 2006 through October 2007 sampling events. The baseline level for CRMW41 has been adjusted to <br />reflect data collected from October 2005 through October 2007 since no mining activities have taken place in the area of this <br />well. <br />Fluoride <br /> Wells (CRMW) Site/Group <br /> <br /> 01 02 04 05 O6 07 09 16 40 41 42 AVG <br />Oct-05 0.86 0.80 0.80 1.19 1.01 0.95 ---- ---- 1.00 1.03 ---- 0.96 <br />Nov-U5 0.86 0.64 1.80 0.68 0.86 0.96 0.85 0.97 0.63 1.10 1.60 i.00 <br />Dec-05 0.94 0.94 0.44 ---- 0.82 0.91 ---- -•-- 0.84 1.60 ---- 0.93 <br />Apr-06 1.10 1.10 0.44 ---- 0.74 0.89 ---- ---- 0.79 1.30 ---- 0.9i <br />Jul-06 1.30 1.10 1.40 ---- 0.91 1.90 ---- ---- 1.00 1.40 ---- 1.29 <br />Oct-O6 1.30 1.20 1.30 0.93 1.10 0.91 0.86 1.10 1.20 1.50 1.70 1.19 <br />Dec-O6 1.05 0.93 1.02 ---- ---- ---- 0.81 1.05 ---- ---- ---- 0.,97 <br />Apr-07 1.16 0.96 1.18 ---- 1.29 ---- 0.92 1.10 ---- 1.11 ---- 1.10 <br />Jul-07 1.04 0.84 1.44 ---- 1.17 ---- 0.69 0.99 ---• 0.97 ---- 1.02 <br />OCt-07 0.96 1.00 1.18 1.34 1.41 ---- 0.83 1.11 1.01 1.08 1.27 1.12 <br />Average 1.06 0.95 1.10 1.04 1.03 1.09 0.83 1.05 0.92 1.23 1.52 1.06 <br />Stnd Dev. 0.16 0.16 0.44 0.29 0.23 0.40 0.08 0.06 0.19 0.22 0.23 0.27 <br />2006 <br />Baseline 1.40 1.40 1.64 ---- 1.40 1.49 ---- ---- 1.40 1.55 ---- 1.40 <br />2007 <br />Baseline 1.40 1.40 1.64 ---- 1.40 1.49 1.40 1.40 1.40 1.46 ---- 1.40 <br /> <br />The average fluoride level for the entire site has not changed from the WOBR. The standard deviation is 0.27 mg/L. <br />n <br />U <br />2007 Sampling Report -Lupton Lakes -6- January 2008 <br />