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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y20 Q4 <br /> Moning Permit M1977-208 Summary of Analytical Results <br /> Lyons Quarry <br /> C-Pit CEM-001 CEM-004 CEM-005 CEM-004,CEM-005 <br /> Triggers(TR-12) <br /> 2020 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Q1 2020 Q2 2020 Q3 2020 Q4 2020 Q1 2020 Q2 2020 Q3 2020 Q4 <br /> Parameter Units <br /> 3/18/2020 6/8/2020 8/25/2020 11/2/2020 3/18/2020 6/8/2020 8/25/2020 11/2/2020 3/18/2020 6/8/2020 8/25/2020 11/2/2020 'See dates 'See dates 'See dates 'See dates <br /> below below below below <br /> value value value value value value value value value value value value value value <br /> pH(On-site) su 10.89 20.73 20.52 12.26 7.97 7.99 7.98 8.2 7.31 8.34 7.96 7.94 6; 8.5 <br /> Chloride mg/L 2640 2890 1700 1520 1870 1790 1710 1780 304 4.2 1.8 6 1,0s3 <br /> Sulfate mg/L 1990 2300 266o 2180 9.9 29.1 21 <5o U 1110 9.9 7.5 22.5 <br /> insufficient lnsuffdent water insufficient insufficient <br /> water to to sample watertosample watertosample <br /> Total Dissolved L 20 280 8 So 8 0 180 100 2 0 60 22 o u8 sample sot-10,000 or 1.25 times <br /> Solids mg/L 79 9 9 7 5 4 4 4 5 39 7 97 99 background <br /> Selenium mg/L 0.418 0.423 0.288 0.349 <0.0022 <o.0008 <o.0008 <o.0008 0.0050 <o.0008 0.0012 o.0008 0.0s <br /> Thallium mg/L o.0011 0.0020 0.0010 0.0010 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 0.002 <br /> Notes and QualNiers: <br /> U Detection limit is estimated <br /> U.1 Estimated low <br /> x Data may not be representative due to nonstandard field sampling protocol <br /> NA Not analyzed. <br /> value Exceeds trigger <br /> a CEM 005 Yzo qt well Sounding:3/18/2020 <br /> a CEM 005 Y20 q2 Well Sounding:6/8/2o2o <br /> 'CEM 005 Yzo q3 Well Sounding:8/25/2020 <br /> 'CEM 005 Y20 q4 Well Sounding:11/3/2020 <br /> 2020_C-Pit_Sampling_Results_Q4.xlsx 1 of 1 <br />