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Sound Off!

September 08, 1989|Clipboard researched by Kathie Bozanich, Janice L. Jones and Rick VanderKnyff / Los Angeles Times; Graphics by Thomas Penix / Los Angeles Times

Caltrans' division of aeronautics has established guidelines to control the amount of noise generated over residential areas by aircraft using the state's airports. Under those guidelines, any area exposed to an average Community Noise Equivalent Level of more than 65 in a year is considered to be noise-impacted.

To comply with those regulations, John Wayne Airport has set up nine stations at locations in Newport Beach, Santa Ana and Tustin to monitor noise levels. Some stations are on private property and others on public land, at the following locations:

MONITOR STATIONS M-1: 2139 Anniversary Lane, Newport Beach M-2: 1907 Tradewinds Lane, Newport Beach M-3: 2601 Vista del Oro, Newport Beach M-4: 1352 Reynold Ave., Santa Ana M-5: 17952 Beneta Way, Tustin M-6 & M7: No longer in use M-8: 1131 Back Bay Drive, Newport Beach M-9: 1300 S. Grand Ave., Santa Ana M-10: Golf Course, 3100 Irvine Ave., Newport Beach. M-11: 20152 S.W. Birch St., Santa Ana The stations monitor the noise levels on a daily basis. The average daily levels, which are also averaged for each month, are "the result of a computer analysis based on county-provided data including flight tracks, actual traffic counts, average SENELs (Single Event Noise Exposure Levels) by aircraft model and recorded CNEL values for each monitor station," according to the quarterly report from the airport's noise abatement office. COMMUNITY NOISE EQUIVALENT LEVELS Monthly averages: April-June, 1989 *

Month M-1 M-2 M-3 M-4 M-5 M-8 M-9 M-10 M-11 April 64.6 57.3 55.2 65.2 54.0 55.7 47.5 65.9 65.0 May 64.6 57.9 54.5 65.5 56.1 56.4 44.8 65.9 65.0 June 64.8 57.5 54.5 65.2 55.1 56.4 44.9 66.0 65.0

* Most recent data available TELEPHONE COMPLAINT CALLS

April-June, 1989

The airport's noise abatement office logs noise complaints from local citizens. During the second quarter of 1989, the office received 915 noise complaints from local citizens, a 45% increase from the number of complaints received the previous quarter. Tustin/Orange: first quarter: 24 second quarter: 39 Santa Ana: first quarter: 11 second quarter: 12 Santa Ana Heights: first quarter: 92 second quarter: 114 Costa Mesa: first quarter: 4 second quarter: 19 Westcliff, Newport Beach: first quarter: 39 second quarter: 61 Eastbluff, Newport Beach: first quarter: 262 second quarter: 410 Balboa/Corona del Mar: first quarter: 171 second quarter: 235 Other areas: first quarter: 28 second quarter: 25 Source: John Wayne Airport

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