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1.
Sounds of Normal Conversations:
Sound Intensity : 40-60 db
Health Hazard : Sound, less than 80 db, is safe for
the ear.
2. Sounds emanating from Tape recorders or an
Orchestra:
Sound Intensity : 70 db
Health Hazard : It is safe for ear.
3. Sounds of Heavy Traffic:
Sound Intensity : 90 db
Health Hazard : Constant hearing of sound,
greater than 80 db, causes temporary hearing loss and
if they are not treated immediately, causes permanent
impairment.
4. Sounds of Pneumatic Drills and other machines:
Sound Intensity : 100 db
Health Hazard : Constant hearing causes
temporary hearing loss and if they are not treated
immediately, causes permanent impairment.
5. Sounds of Aircraft Engine:
Sound Intensity : 100-200 db
Health Hazard : Higher noise level of 160
db cause total deafness, rupturing eardrums, damaging
inner ear. It also causes high blood pressure, ulcer
in stomach, palpitation, nervous problems, irritation,
anger, and affects pregnant women’s embryo.
6. Sounds of Rockets during Take Off:
Sound Intensity : 200 db
Health Hazard : It is dangerously causing
total deafness by rupturing the eardrums and damaging
the inner ear. It also causes high blood pressure,
ulcer in stomach, palpitation, nervous problems,
irritation, anger and affects pregnant women’s
embryo.
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