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12/12/24 Item 5.13. <br />Lead and Copper Tap Sampling Results <br />• EPA's Lead and Copper Rule (LCR) requires monitoring of lead and copper to <br />assure concentrations are below respective action levels <br />• IRCDUS has remained compliant with the LCR through routine monitoring of <br />customer taps located throughout the distribution system <br />• Sample sizes range from 50-62 different locations <br />F <br />Ar <br />rr 11 P, <br />1d r" j <br />�#A"rECH <br />Lead Tap Sampling Results <br />U <br />• Action level of 0.015 mg/L <br />• 90t'' percentile results are consistently <br />as i <br />below action level <br />� X <br />� <br />0;001 �' .... <br />•� <br />r ♦prfpiyhi <br />Average Maximum 50th Percentile 75th Percentil <br />0.002 ;;,, 0.014 0.001 ... <br />90th Percentile Action Level <br />� � 0.002 <br />SampleSize <br />50 <br />0.00088 , _0.004300.00050 <br />0.00181 <br />50 <br />0.00055 Q 0.00050 <br />0.00052 <br />50 <br />Y 0.00844 s „ 0.00050 <br />0.00152 <br />50 <br />0.00067 0.00050 <br />,:., . 0.00112 <br />50 <br />0.00124 0.00570 %i 0.00064 <br />0.00293. <br />nom: 's 0.003 0.00690 ,;. ` 0.00022 <br />0.00150: <br />152 . <br />