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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y19 Q2 <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 /> 2018 Q3 2018 Q4 2019 QI 2019 Q2 2018 Q3 2018 Q4 2019 QI 2019 Q2 2018 Q3 2018 Q4 2019 Q1 2019 Q2 2018 Q3 2018 Q4 2019 Q1 2019 Q2 <br /> Parameter Units <br /> 9/17/2018 11/29/2018 3/15/2019 5/2/2019 9/17/2018 11/16/2018 3/15/2019 5/1/2019 9/17/2018 11/29/2018 3/15/2019 5/1/2019 '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 value value <br /> pH(On-site) su 10.91 u.13 11.4 10.95 7.88 7.76 7.76 7.97 8.24 /-i; 7.5 6.8 Cn: u',: <br /> Chloride mg/L 2060 i86o 1580 1710 1840 1810 1850 1750 2.4 95 131 8.5 1,053 <br /> Sulfate mg/L 2530 2390 2100 2330 17.4 24 18.6 18.8 10.1 402 512 16.4 2,641 <br /> insufficient insufficient <br /> water to water to <br /> Total Dissolved mg/L 10000 620 82 O 8 0 00 0 sample sample 501-10,000 or 1.25 times <br /> Solids 9 9 99 43 399 4300 4220 105 805 1050 114 <br /> background <br /> Selenium mg/L 0.529 0.453 0378 0444 <0.0008 <o.0008 0.0011 <0.0008 <0.0008 0.0023 0.0021 <0.0008 0.05 <br /> Thallium 1 m9/1- <0.002 0.00130 <0.001 0.001 10.001 <0.0004 <0.0004 <0.0004 f <0.0004 <0.0004 <0.0004 <0.0004 0.002 <br /> Notes and Qualifiers: <br /> U Detection limit is estimated <br /> Ui Estimated low - <br /> X Data may not be representative due to nonstandard field sampling protocol <br /> NA Not analyzed. <br /> value Exceeds trigger <br /> - - - 'CEM o05 W 8 Q3 Well Sounding:9/17/2o18 <br /> 'CEM oo5 Y18 Q4 Well Sounding:n/t6/2o18 <br /> CEM 005 Y1q Q1 Well Sounding:3/15/2019 and 3118/2019 <br /> --- --- 'CEM 005 Y19 Qt Well Sounding:3h5/2oig and 3/18/2019 - <br /> 2019_C-Pit_Sampling_Results_02 1 of 1 <br />