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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y20 03 <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 Q4 2020 Q1 2020 Q2 2020 Q3 2019 Q4 2020 Q1 2020 Q2 2020 Q3 2019 04 2020 Q1 2020 Q2 2020 Q3 2019 Q4 2020 Q1 2020 Q2 2020 Q3 <br /> Parameter Units <br /> 11/13/2019 3/18/2020 6/8/2020 8/25/2020 11/13/2019 3/18/2020 6/8/2020 8/25/2020 11/13/2019 3/18/2020 6/8/2020 8/25/2020 'See dates 'See dates 'See dates 'See dates <br /> below below below below <br /> value value value value value value value value value VA,,. ve value value value value value <br /> pH(On-site) su 10.75 10.89 10.73 ic.yl 8.o8 7.97 7.99 7.98 7.86 7.31 8.34 7.96 6.5-8.5 <br /> Chloride mg/L 1370 1640 1890 i7oo 1800 1870 1790 1710 35.1 304 4.2 1.8 1,053 <br /> Sulfate mg/L 2190 1990 2300 2660 17 9.9 29.1 21 168 1110 9.9 7.5 2,641 <br /> insufficient Insufficient water insufficient insufficient <br /> water toto sample water to sample water to sample <br /> Total Dissolved m L 6950 20 28o 8 80 100 180 <br /> Solids � 95 79 9 9 4 4 4100 4250 415 2270 97 99 sample sot-1o,o00 times <br /> background <br /> Selenium 14mg/L <br /> 0.195 0.418 0.413 0.288 0.03150 <0.0012 <o.0008 <0.0008 o.0016 0.0050 <o.0008 o.0012 0.05 <br /> Thallium o.0010 0.0012 0.0020 0.0010 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 0.002 <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 <br /> a CEM 005 w9 Q4 Well Sounding:n/g/2o1q and n/t4/2ot9 <br /> a CEM 005 Y20 Q1 Well Sounding:3/18/2020 <br /> a CEM 005 Y20 Q2 Well Sounding:6/8/2020 <br /> ja CEM 005 Y20 Q3 Well Sounding:8/25/2020 <br /> 2020_C-Pit_Sampling_Results_Q3.xlsx 1 of 1 <br />