001K76100 ------- \OO of - on of even of of H&AP4MG. A SCRtPTOGRAPHtC BOOKLET by CHANNING L BETE CO , INC Greenfield. Ma;s , U S S @197° 1976 EDITION 1038F-7-76 ------- C Pi 00 fftlWOH HAVE losses ANP exposed -fo levels ------- I ) YOOIT he3rirv} is o^e of your * A ' precious possessions -fer oulr 19 33>ne,cJ -fro KYI li PAWS Of AfEAP- MiPPU. directs sound waves to middle and inner ear, protects inner parts. \ protects inner ear / \ from shock—equalizes / pressure on / ear drum. j I transmits sound impulses to brain. EAR (auditory nerve) connects to brain. control sense of balance. changes sound waves to nerve impulses. transmit sound vibrations to nerves in inner ear to MOUTH AMP (JOSE to equalize pressure on both sides of eardrum. ------- A Source of ouf ------- people, PITCH s (2- -C\ OF O I C7 V-' ' A \s ^. Of] /i/r of of r»oi$e. ------- Rocket launching pad Jet plane Gunshot blast Riveting steel tank Automobile horn Sandblasting Woodworking shop Punch press Pneumatic drill Boiler shop Hydraulic press Can manufacturing plant Subway Average factory Computer card verifier Noisy restaurant Office tabulator Busy traffic Conversational speech Average home Quiet office Soft whisper 180 140 140 130 120 112 100 100 100 100 100 100 90 80 85 80 80 75 66 50 40 30 may UoM6 -90 7o Measuring noise exposure is a job for experts and requires the use of complex measur- ing instruments. If* world be. -to e./-c£Ss''ve ------- V\e,*3ring loss raises your of 9+ -first bein -to O TEMPORARY TflfzeSHOlP SHifT Not* HEAP- ' UN -a* loss / noise, 7-f loss ca« become. if for a SHIFT NO PHY5iCAt S«5M5 »x> \ batk." 8 n f>p. i i wi^v? y\n*& may " " be -KKIK\H"U£, or r'mqi* in of n Kl6H / * -fe all es if ------- HeAHf'6 May be caused by sudden, single exposure to extremely high, loud noise. Less common than other types of hearing damage. ft .In an extra-noisy environment it's hard to \ hear people talk-and that's a safety hazard in itself. -' Unpleasant sounds, particularly sudden and un- /~\ /' even ones, may cause fear, anger, "wear and tear. 0 J& Noise may cause fatigue or distract attention from demanding or difficult tasks. op -to -for- practicing ------- workers -\Q excessive, on--tke-j0fc> v^o»se be to u>we*» HOI&& ^ and better operating methods. of equipment for quietest operation. mufflers, pads, acoustical tile, carpet, etc. walls, shields, remote control booth between worker and noise source. between worker and noise source, isolation of noisy operations. © work for shorter exposure or for quieter working hours. to Noise OUTPUT IS ------- PWrt!6CTiO|l B69T SHIFTS " PMI6S most do-it-yourself protectors, such as cotton, don't really dampen noise. They fit badly and aren't hygienic. are very effective for most sound levels. Must be carefully fitted and periodically checked. protect all parts of the ear and offer widest range of sound protect ion--don't require frequent adjustment. »r — keyring proteoforS bfc pu<- -to work by )bu 4t> be ii ------- information on limits of noise that will protect public health and welfare. • IfHr* •! fr" ' » products that are major sources of noise and provide information on how to control noise from such products. for noise emissions for con- struction equipment, transportation equipment, and all motors and engines and electrical and electronic equipment. ------- EPA will work with the Federal Aviation Administration. EPA will propose noise standards,- FAA will consider the proposals, set the standards and enforce them. federal ^^W W W ^^^F^ /— too/ ^ of your f3 ------- 's WojtfH Youft 10 --•to -to —\o £ee| *tV — of ------- — -take care of your y; i-h C3n;4- be replaced / -(4\ on y^)ur Job — J or ------- U.S. ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 ------- |