phl mitigation results€¦ · population impact change analysis summa ry - original preferred...
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PHL Mitigation Results
Original Preferred Alternative Mitigated Preferred Alternative
Change Resulting In Estimated Pop. Change From Level Estimated Pop.Significant 1.5+ DNL 65+ DNL 251 1.5+ DNL 65+ DNL 0Slight to Moderate 3.0+ DNL 60-65 DNL 3,637 3.0+ DNL 60-65 DNL 0Slight to Moderate 5.0+ DNL 45-60 DNL 113,288 5.0+ DNL 45-60 DNL 690
Population Impact Change Analysis Summary - Original Preferred Alternative 2011
Level of Impact Noise Increases Noise DecreasesChange Resulting In Estimated Pop. Change From Level Estimated Pop.
Significant 1.5+ DNL 65+ DNL 0 1.5+ DNL 65+ DNL 0Slight to Moderate 3.0+ DNL 60-65 DNL 0 3.0+ DNL 60-65 DNL 0Slight to Moderate 5.0+ DNL 45-60 DNL 6,920 5.0+ DNL 45-60 DNL 3,962
Population Impact Change Analysis Summary - Mitigated Preferred Alternative 2011
Level of Impact Noise Increases Noise Decreases
-8 -0.5 +0.5 +8-8 -0.5 +0.5 +8
Mitigation DNL Difference – Color Overlay(Mitigated minus Original)