Unnumbered Page Advertisement 1

Tu Tangata, Issue 14, 1 October 1983, Unnumbered Page

VERY LOUD NOISE, OR LONG EXPOSURE TO NOISE, COULD DAMAGE YOUR HEARING BEYOND REPAIR. IF THE HEARING CELLS HAVE BEEN DESTROYED, THE DAMAGE WILL BE PERMANENT. IDENTIFY THE RISK! you have trouble talking to someone 1 metre away because of the noise your ears ring a noisy place Noise is probably too loud when: after being in speech and other sounds seem muffled after you have been in a noisy place. HOW LOUD IS LOUD? The loudness of sound is measured in decibels (dB). Above 85 dBA noise starts to cause damage to hearing. 140 dBA PAIN 130 »m_L 0-120 110 ~ fei-100 90 / 80 o M 7O f A Uw B—6o * ■so 50 40 30 v *“2O 10 LOUDNESS + DURATION = DANGER The louder the noise, the sooner damage occurs. But the length of exposure time is also important. And remember this .. . every time the noise level jumps by just 3 dB the safety time shown is halved. 7a 0 [§]ii:i»] WHENEVER YOU ARE EXPOSED TO EXCESSIVE NOISE, YOUR HEARING IS AT RISK So protect yourself properly at work .. . wear the type of hearing protection you need taking into account the noise level and the length of time you may be exposed to it. And make sure it is comfortable to wear. LOUDNESS + DURATION = DANGER The louder the noise, the sooner damage occurs. But the length of exposure time is also important. And remember this ... every time the noise level jumps by just 3 dB the safety time shown is halved. at home ... exposure to noise doesn’t stop at the factory gate. Your hearing is at risk from such things as chainsaws and lawnmowers at close range. And watch the level of sound when listening to “walkabout” radios through headphones. a: 1 ! © 9 tVUIA HEARING IS ONE OF YOUR MOST PRECIOUS POSSESSIONS. MAKE SURE YOURS IS PROPERLY PROTECTED! Issued by the Department of Health CCduC 2965