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`COLORADO LEGACY LAND <br /> :.......: ..........: ..:-. ..n - -. ..._ :.... ._.....gal..,.-. . <br /> TABLE 3A:GROUNDWATER SAMPLE FIELD PARAMETERS <br /> Field Parameters <br /> :Location ID/ Static th to Water H Te t-atare Conductivity Dissolved Oxygen Not / <br /> MW-00 01/29/2021 8.31 6.60 5.5 282.3 196.0 7.19 Alluvial well.Above waste dumps.upstream of site. <br /> MW-0 01/29/2021 14.17 6.66 9.6 600.0 197.7 3.58 Alluvial well.Toe of south waste rock pile. <br /> MW6 Not Sampled' -- -- -- -_ __ __ Alluvial well.Near former Sump#2. <br /> Alluvial well.Near Sump#1.This sample was a grab sample was taken 24 hours after the <br /> MW-7 01/29/2021 11.54 7.23 7.2 786.0 182.2 4.79 first attempt to sample during which the well ran dry while purging. <br /> MW-12 Not Sampled' -- -- Below Sump#1.Alluvial well. <br /> MW-13 Not Sampled-' Nitrogen purge.Replaced MW-10.Previous Sample ID=Lt.Background well. <br /> MW-14 Not Sampledz -- -- -- -- __ __ Nitrogen purge.Replaced MW-11. Previous Sample ID=L2.Background well. <br /> MW-15 Not Sampledz Nitrogen purge.Previous Sample ID=1.3.Bedrock well. <br /> MW-16 Not Sampledz Previous Sample ID=L4.Bedrock well. <br /> MW-17 Not Sampled' -- Nitrogen purge.Previous Sample ID=L5. <br /> Previous Sample ID=L6.Bedrock well,installation targeted Illinois fault zone in alluvial <br /> MW-18 01/28/2021 215.0 7.22 10.6 764.0 -55.6 1.81 valley. <br /> MW-19 01/29/2021 19.06 6.81 11.3 615.0 161.8 3.84 Toe of south waste rock pile.Previous Sample ID=L7. <br /> MW-20 Not Sampled Usually dry.Top of south waste rock pile. <br /> Sample collected from spigot inside water treatment plant This is the water treatment <br /> Raw Feed Not Sampled' plant intake from the mine pool.Previous Sample ID=Mine Refill. <br /> Sumps Not Sampled' _ Sample collected from sump water from Sump#1(Master Sump). <br /> Notes: <br /> ,Water present in well was dry or insufficient volume to collect sample. <br /> zWell was not accessible. <br /> 'Raw Feed was unable to be sampled due to the planned,seasonal shutdown of the water treatment plant <br /> 4MW-I,MW-2,MW-3A,and MW-8 were removed in 2019;MW-4 and MW-5 were removed in 2008.MW-8 was replaced with MW-12. M W-10 and MW-11 were fouled(bentonite in screened intenal)and replaced with M W-13 and MW-14. <br /> pS/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 /> my=millivolts <br /> MW=Monitoring Well <br /> ORP=Oxidization Reduction Potential <br /> PACE 100F 1S <br />