Laserfiche WebLink
-"4"114111‘N. <br /> COLORADO LEGACY LAND <br /> TABLE 2A.GROUNDWATER SAMPLE FIELD PARAMETERS <br /> Field Parameters <br /> Location ID/ Static Depth to Water pH Temperature Conductivity ORP Dissolved Oxygen Notes/Location Description <br /> Sample ID Sample Date (ft btoc) (unitless) (°C) (µS/cm) (mV) (mg/L) <br /> MW-00 10/16/2019 8.20 6.87 12.1 334.6 117.7 1.19 Alluvial well. Above waste dumps,upstream of site. <br /> MW-0 10/16/2019 12.45 6.74 11.9 601 302 2.90 Alluvial well.Toe of south waste rock pile. <br /> MW-1 N/A. N/A N/A N/A N/A N/A N/A Abandoned in December 2019 during alluvial valley excavation <br /> MW-2 N/A N/A N/A N/A N/A N/A N/A Abandoned in December 2019 during alluvial valley excavation <br /> MW-3A N/A N/A N/A N/A N/A N/A N/A Abandoned in December 2019 during alluvial valley excavation <br /> MW-4 N/A N/A N/A N/A N/A N/A N/A <br /> Removed in 2008. <br /> MW-5 N/A N/A N/A N/A N/A N/A N/A <br /> Removed in 2008. <br /> MW-6 Not Sampled,Dry1. Dry -- -- -- -- -- Alluvial well. Near former Sump#2. <br /> MW-7 Not Sampled,Insufficient Volume2. 11.16 -- -- -- -- -- Alluvial well. Near Sump#1 <br /> MW-8 N/A N/A N/A N/A N/A N/A N/A Not sampled,replaced with well MW-12. <br /> MW-9 N/A N/A N/A N/A N/A N/A N/A Abandoned in December 2019 during alluvial valley excavation <br /> MW-10 N/A N/A N/A N/A N/A N/A N/A Not sampled,bentonite in screened interval. Replaced with MW-13.Background well. <br /> MW-11 N/A N/A N/A N/A N/A N/A N/A Not sampled,bentonite in screened interval. Replaced with MW-14.Background well. <br /> MW-12 Not Sampled,Dryl. Dry -- -- -- -- -- Below Sump#1.Alluvial well. <br /> MW-13 Not Sampled,No Access3. N/A -- -- -- -- -- Nitrogen purge.Replaced MW-10.Previous Sample ID=Ll.Background well. <br /> MW-14 Not Sampled,No Access3. N/A -- -- -- -- -- Nitrogen purge.Replaced MW-11. Previous Sample ID=L2.Background well. <br /> MW-15 Not Sampled,No Access3. N/A -- -- -- -- -- Nitrogen purge.Previous Sample ID=L3.Bedrock well. <br /> MW-16 Not Sampled,No Access3. N/A N/A N/A N/A N/A N/A Not sampled,no pump in well. Monitor water level only. Previous Sample ID=L4.Bedrock well. <br /> MW-17 Not Sampled,Dry'. Dry -- -- -- -- -- Nitrogen purge.Previous Sample ID=L5. <br /> MW-18 10/23/2019 153.60 7.61 11.5 768 -168.2 0.47 Previous Sample ID=L6.Bedrock well,installation targeted Illinois fault zone in alluvial valley. <br /> MW-19 Not Sampled,Insufficient Volume2. 19.40 -- -- -- -- -- Toe of south waste rock pile.Previous Sample ID=L7. <br /> MW-20 Not Sampled,Insufficient Volume2. 51.20 -- -- -- -- -- Usually dry.Top of south waste rock pile. <br /> Sample collected from spigot inside water treatment plant. This is the water treatment plant intake <br /> Raw Feed 10/17/2019 N/A 7.33 18.6 2,894 -110.3 1.77 from the mine pool.Previous Sample ID=Mine Refill. <br /> Sample collected from spigot inside water treatment plant. This is the combined,collected sump <br /> Sumps 10/17/2019 N/A 7.36 16.6 1,060 62.7 6.02 water. <br /> Notes: <br /> 1No water present in Well. ORP=Oxidization Reduction Potential <br /> 2Water present in well,insufficient volume to collect sample. <br /> 3Snow made road to wells undrivable <br /> µS/cm=microSemiens per centimeter <br /> °C=degrees Celsius <br /> ft btoc=feet below top of casing <br /> ID=Identifier <br /> mg/L=milligrams per liter <br /> mV=millivolts <br /> MW=Monitoring Well <br /> PAGE 7 OF 12 <br />