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HPN Mitigation Results Original Preferred Alternative Mitigated Preferred Alternative Change Resulting In Estimated Pop. Change From Level Estimated Pop. Significant 1.5+ DNL 65+ DNL 0 1.5+ DNL 65+ DNL 0 Slight to Moderate 3.0+ DNL 60-65 DNL 0 3.0+ DNL 60-65 DNL 0 Slight to Moderate 5.0+ DNL 45-60 DNL 40 5.0+ DNL 45-60 DNL 0 Population Impact Change Analysis Summary - Original Preferred Alternative 2011 Level of Impact Noise Increases Noise Decreases Change Resulting In Estimated Pop. Change From Level Estimated Pop. Significant 1.5+ DNL 65+ DNL 0 1.5+ DNL 65+ DNL 0 Slight to Moderate 3.0+ DNL 60-65 DNL 0 3.0+ DNL 60-65 DNL 0 Slight to Moderate 5.0+ DNL 45-60 DNL 0 5.0+ DNL 45-60 DNL 0 Population Impact Change Analysis Summary - Mitigated Preferred Alternative 2011 Level of Impact Noise Increases Noise Decreases Impact Centroid -8 -0.5 +0.5 +8 -8 -0.5 +0.5 +8 Mitigation DNL Difference – Color Overlay (Mitigated minus Original)
