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Kimley>»Horn <br />Page 29 <br />With exception of one (one) OEL exceedance in TTHM at a single location (2017 2nd Quarter), IRCU has <br />maintained compliance with MCL values for TTHM and HAAFS with respect to the LRAA and the OEL. <br />The DBP concentrations are not low enough to trigger reduced monitoring but appear to be exhibit a <br />downward trend over the previous year. <br />The DBP sample data correlates well with the recently completed calibrated water model, where the areas <br />in the distribution system that exhibit higher wager age had higher concentrations of DBPs (between 144 <br />and 168 hours). The water age map is included in Appendix A for reference. <br />E- <br />