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CEMEX Construction Materials South,LLC Table 1 Quarterly Report Y18 Q1 <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 /> 2017 Q2 2017 Q3 201704 2018 Q1 2017 Q2 2027 Q3 2027 04 2018 Q3 2017 Q2 2017 Q3 201704 2018 Q3 2017 Q2 2017 Q3 2017 Q4 2018 Q3 <br /> Parameter Units <br /> 5/17/2027 7/3/2017 10/12/2027 3/9/2018 5/17/2017 7/3/2017 10/21/2017 3/9/2018 5/17/2017 7/3/2017 10/11/2017 3/9/2018 '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 .aloe value value <br /> pH(On-site) su 11.61 11.53 11.5 11.44 7.87 7.73 7.91 7.93 7.97 8.58 7.75 6.5-8.5 <br /> Chloride mg/L 1600 1850 ig80 814 1750 1760 1750 2170 12 1 4 225 1,053 <br /> Sulfate mg/L 2040 2150 2310 1930 43.0 45.1 26.3 19.1 38 12 17 1050 2,641 <br /> insufficient insufficient <br /> insufficient insufficient <br /> waterm waterto <br /> water to sample <br /> Total Dissolved sample water to sample sample 501-10,000 or 1.25 times <br /> Solids mg/L 7850 8670 9830 4730 4200 4300 3460 4380 177 111 112 1830 p background <br /> Selenium mg/L 0.255 0.41700 0.42500 0.00630 <0.0008 <0.0008 <O.0008 <0.0008 0.00082 0.0012 <0.0008 0.0026 0.05 <br /> Thallium mg/1- 0.00087 0.00200 1 0.00290 1 0.0004 <0,0004 <0.0004 <0.0004 <0.0004 <0.0004 <0.0004 10.00-4 <0.0004 0.002 <br /> Detection <br /> ---_ _.---- <br /> Notes and Qualifiers:Detection limit is estimated <br /> 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 Y17 Q2 Well Sounding:May 17,2017 <br /> a CEM 005 Y17 Q3 Well Sounding:7/3/2017 <br /> a CEM 005 Y17 Q4 Well Sounding:1 0/1112 01 7 <br /> 'CEM oo5 Y18 Q1 Well Sounding:March 8,2o18 <br /> 2018_C-Pit_Sampling_Results_Q1_Draft_MBA4.19.2018 1 of 1 <br />