This is the Future (2018) Noise Exposure Map (NEM/NCP) for Seattle-Tacoma International Airport, produced as part of a 14 CFR Part 150 Study Update by the Port of Seattle. The map displays DNL noise contour bands (65–70, 70–75, and 75+ dBA) overlaid on surrounding land uses, with a data table showing the DNL 65–70 dBA contour covering 4.4 square miles and affecting an estimated 9,712 people; it includes a Sponsor's Certification signed by Elizabeth Leavitt, Director of Aviation Planning and Environmental Programs for the Port of Seattle.Open full document
Notes
This is the Future (2018) Noise Exposure Map (NEM/NCP) for Seattle-Tacoma International Airport, produced as part of a 14 CFR Part 150 Study Update by the Port of Seattle. The map displays DNL noise contour bands (65–70, 70–75, and 75+ dBA) overlaid on surrounding land uses, with a data table showing the DNL 65–70 dBA contour covering 4.4 square miles and affecting an estimated 9,712 people; it includes a Sponsor’s Certification signed by Elizabeth Leavitt, Director of Aviation Planning and Environmental Programs for the Port of Seattle.
