
A line graph from a First Quarter 1990 report showing Sea-Tac Airport noise hotline call volumes by month for each year from 1986 to 1990, measured in thousands. A notable spike is labeled '1987 Scatter Test,' which drove calls to approximately 3,400 in August 1987, far exceeding all other years.Open full document
Notes
A line graph from a First Quarter 1990 report showing Sea-Tac Airport noise hotline call volumes by month for each year from 1986 to 1990, measured in thousands. A notable spike is labeled ‘1987 Scatter Test,’ which drove calls to approximately 3,400 in August 1987, far exceeding all other years.