Page 181 - domestic catalogue 2018
P. 181

EAR PROTECTION








             It is important to use suitable hearing protectors to safeguard against overexposure to Noise.





                                 Permissible Noise Exposures as per OSHA 29 CFR 1910.95

                                     Sound level (Decibel: dB)        Duration in hours
                                              90                             8
                                              92                             6
                                              95                             4
                                              97                             3
                                              100                            2
                                              102                           1 ½
                                              105                            1
                                              110                           ½
                                              115                         ¼ or less



                              The Table below gives the average decibel levels in some of the
                                           common industrial and work areas :-

                           Noise Source                                             Average Decibel Level: dB

                   Jet take-off (at distance of 25 meters)                                   150

                   Aircraft carrier deck                                                     140
                   Thunderclap, chain saw. Oxygen torch (121 dB).                            120


                   Steel mill, auto horn at 1 meter. Turbo-fan aircraft at takeoff
                                                                                             110
                   power at 200 ft (118 dB). Riveting machine (110 dB)

                   Power mower (96 dB); Newspaper press (97 dB).                             90

                   Average factory, milling machine (85 dB)                                  80
                   Conversation in restaurant, office, background music                      60

                   Conversation at home.                                                     50

                   Whisper, rustling leaves                                                  20










                                                                                             Call       Safety Expert
                                                                                                 for further advise
                                                                                           Toll Free No.: 1800 103 7085









                                                                                                             170
   176   177   178   179   180   181   182   183   184   185   186