Part 150 Noise Exposure Map 1991 — Ldn 65 Contour Area and Population

Text states that the Ldn 65 noise contour contains approximately 14,128 acres and 67,000 people. This figure relates to the noise impact area around Sea-Tac Airport as defined by the Day-Night Average Sound Level (Ldn) metric.

Notes

Text states that the Ldn 65 noise contour contains approximately 14,128 acres and 67,000 people. This figure relates to the noise impact area around Sea-Tac Airport as defined by the Day-Night Average Sound Level (Ldn) metric.

V V