001K76100

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\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

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C Pi
00 fftlWOH
                        HAVE
                        losses
              ANP
    exposed -fo 

     levels

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      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.

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A Source of
ouf

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people,

PITCH


 s
     (2-
   -C\
                 OF
                          O I C7
                          V-' ' A \s ^.
                           Of]
                          /i/r
                            of
                     of r»oi$e.

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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

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                   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

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                  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


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                                                  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

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               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

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                                     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.

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      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

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     's WojtfH Youft
     10
--•to
              -to
—\o £ee|
  *tV —
                         of

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  — -take care of your
y; i-h C3n;4- be  replaced /
 -(4\
    on y^)ur Job —
           J
               or

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U.S. ENVIRONMENTAL PROTECTION AGENCY
        WASHINGTON, D.C. 20460

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