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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y19 04 <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 /> 2019 Q1 2019 Q2 2019 Q3 2019 Q4 2019 Ql 2019 Q2 2019 Q3 2019 04 2019 Ql 2019 Q2 2019 Q3 2019 Q4 2019 Ql 2019 Q2 2019 Q3 2019 Q4 <br /> Parameter Units <br /> 3/15/2019 5/2/2019 9/26/2019 11/13/2019 3/15/2019 5/1/2019 8/6/2019 11/13/2019 3/15/2019 5/1/2019 9/26/2019 11/13/2019 '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) so 12.4 10.95 1o.62 10.75 7.76 7.97 8.8 8.08 %.5 6.8 7.54 7.86 6.5-8.5 <br /> Chloride m9/L 1580 1710 1500 3370 1850 1750 1740 1800 131 8.5 2.6 35.1 1,053 <br /> Sulfate mg/L 2100 2330 2380 2190 18.6 18.8 12.5 17 522 16.4 19 168 2,641 <br /> insufficient insufficient <br /> insufficient insufficient <br /> water to water to <br /> water to sample water to sample <br /> sample sample sot Total Dissolved -S0,000 or 1.25 times <br /> Solids mg/L 8290 8990 7550 6950 4300 4220 4420 4100 1050 114 112 415 background <br /> Selenium mg/L 0.378 0.444 o.286 0.195 0.00110 <o.0008 0.0510 0.0315 0.00210 <o.0008 0.0012 o.0016 0.05 <br /> Thallium mg/L <0.002 0.00100 0.001 0.001 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 0.0°2 <br /> Notes and Qualifiers: <br /> U Detection limit is estimated <br /> Ul Estimated low <br /> x Data may not be representative due to nonstandard field sampling protocol <br /> NA Not analyzed. <br /> value Exceeds trigger a CEM 005 Y19 Q1 Well Sounding:3/15/2019 and 3/18/2019 <br /> a CEM 005 Y19 Q2 Well Sounding:5/1/2019 and5/2/2o1g <br /> a CEM 005 Y19 Q3 Well Sounding:8/6/2019 and 8/7/2o1g <br /> 'CEM oo5 Y1q Q4 Well Sounding:ll/13/2o1g and 11/14/2019 <br /> 2019_C-Pit_Sampling_Results_Q4.xlsx 1 of 1 <br />