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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y22 Q1 <br /> Moning Permit M1977-208 Summary of Analytical Results <br /> Lyons Quarry <br /> C-Pit CEM-001 CEM-004 CEM-005 CEM-D04,CEM-005 <br /> Triggers(TR-12) <br /> 2021 Q2 2021 Q3 2021 Q4 2022 Q1 2021 Q2 2021 Q3 2021 Q4 2022 Q2 2021 Q2 2021 Q3 2021 Q4 2022 Q1 2021 Q2 2021 Q3 2021 Q4 2022 Q1 <br /> Parameter Units <br /> 5/17/2021 8/12/2021 11/10/2021 3/15/2022 5/17/2021 8/12/2021 11/10/2021 3/15/2022 5/17/2021 8/11/2021 11/10/2021 3/15/2022 a See dates a See dates a See dates 'See dates <br /> below below below below <br /> value value value value value value value value value value value value value value valuo value <br /> PH(On-site) su 11.46 11.9 12.4 11.41 7.74 7.88 8.3 8.24 7.46 7.51 8.8 7.48 6.5-8.5 <br /> Chloride mg/L 2470 1930 2440 158o 1830 1640 1810 162o 9.6 0.58 58.1 229 1,053 <br /> Sulfate mg/L 1610 158o 2030 15S0 32.9 14.6 343 7 173 1.2 428 880 2,641 <br /> insufficient insufficient Ovate insufficient insufficient <br /> water to waaterr too <br /> Total Dissolved <br /> to sample water to sample <br /> sample sample 501-10,000 or 1.25 times <br /> Solids n1g/L 7350 8030 6550 8360 42go 41go z57o 446o u4 83 776 180o background <br /> Selenium mg/L 0.421 0.690 0.787 0.475 <0.005 o.0006 <0.0008 <0.005 <0.005 <0.0004 0.0020 <0.005 o.oS <br /> Thallium mg/L <0.004 0.0028 0.0025 <0.004 1 <0.004 <0.0002 <0.0004 <0.004 <0.004 <0.0002 10.0004 <0.004 0.002 <br /> Notes and Qualifiers: <br /> H Sample analyzed beyond recommended hold time <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 Yzt QzWell Sounding:5/1712 0 21 <br /> aCEM 005 Y21 Q3Well Sounding:811212021 <br /> a CEM 005 Y21 Q4WelI Sounding:11110/2021 <br /> a CEM 005 Y22 Q1Well Sounding:311512022 <br /> 2022_C-Pit_Sampling_Results_Q1.xlsx 1 of 1 <br />