Page 38 - Demo

%ubbf8%uad6d %uad6d%ub9bd%uc9c1%uc5c5%uc548%uc804%uc704%uc0dd%uc5f0%uad6c%uc18c(NIOSH)%uc5d0%uc11c%ub294 Fig 4.%uc640 %uac19%uc774 Threshold Level%uc744 80dBA%ub85c %ud55c%uad6d%ubcf4%ub2e4 %ub0ae%uac8c %uba85%uc2dc%ud558%uace0 %uc788%uc73c%uba70, 3dB %ub2ec%ub77c%uc9c8 %ub54c%ub9c8%ub2e4 %ub178%ucd9c%ub418%ub294 %uc791%uc5c5%uc2dc%uac04%uc774 %uc808%ubc18%uc774 %ub418%ub3c4%ub85d %uba85%uc2dc%ud558%uace0 %uc788%ub2e4. %uc774%ub294 NIOSH%ubfd0%ub9cc%uc774 %uc544%ub2cc %uad6d%uc81c%ubcf4%uac74%uae30%uad6c(WHO)%uc758 %uad8c%uace0%ub0b4%uc6a9%uc5d0%uc11c%ub3c4 80dB%ubd80%ud130 %ub178%ucd9c%uae30%uc900(40 hours per 7 days)%uc774 %uba85%uc2dc%ub418%uc5b4 %uad6d%ub0b4%ubcf4%ub2e4 %uadfc%ub85c%uc790%uc758 %ub09c%uccad %ubb38%uc81c %ud574%uacb0%uc5d0 %uc5c4%uaca9%ud55c %uae30%uc900%uc744 %uc81c%uc2dc%ud558%uace0 %uc788%uc73c%uba70 %ud5a5%ud6c4 %uad6d%ub0b4 %uaddc%uc815%uc5d0%ub3c4 %uc601%ud5a5%uc774 %ubbf8%uce60 %uac83%uc73c%ub85c %uc608%uc0c1%ub41c%ub2e4. %ucd9c%ucc98: https://www.cdc.gov/niosh/noise/prevent/understand.html %ub178%ucd9c%uae30%uc900%uc744 %ucd08%uacfc%ud55c %uc0ac%uc5c5%uc7a5%uc5d0%uc11c%ub294 %uadfc%ub85c%uc790%uc5d0%uac8c %uccad%ub825%ubcf4%ud638%uad6c%ub97c %uc9c0%uae09%ud574%uc57c%ub9cc %ud558%uace0 %uadfc%ub85c%uc790%ub294 %uac74%uac15%uc7a5%ud574 %uc608%ubc29%uc744 %uc704%ud558%uc5ec %uc798 %ucc29%uc6a9%ud574%uc57c%ub9cc %ud55c%ub2e4. %uccad%ub825%ubcf4%ud638%uad6c%ub294 Fig 5.%uacfc %uac19%uc774 %ubd84%ub958%ub418%uace0 %uc788%uc73c%uba70 %ud55c%uad6d%uc0b0%uc5c5%uc548%uc804%ubcf4%uac74%uacf5%ub2e8 %uc778%uc99d(%ubc29%uc74c%uc6a9 %ubcf4%ud638%uad6c)%uc744 %ubc1b%uc740 %uc81c%ud488%uc744 %ub300%uc0c1%uc73c%ub85c %uc0ac%uc5c5%uc7a5%uc758 %uc791%uc5c5%ud615%ud0dc %ubc0f %uc18c%uc74c%ub178%ucd9c %uac15%ub3c4, %uadfc%ub85c%uc790%uc758 %uadc0 %uac74%uac15%uc0c1%ud0dc%uc5d0 %ub530%ub77c %uccad%ub825%ubcf4%ud638%uad6c%uc758 %ud615%ud0dc %ubc0f %uc131%ub2a5%uc744 %uc120%ud0dd%ud558%uc5ec%uc57c%ub9cc %ud55c%ub2e4.%ucd9c%ucc98: %u201cHearing protector fit-testing and the new ANSI S12.71 standard%u201dKOSHA GUIDE H-160-2014 %uc9c0%uce68NIOSH Recommended Dosimeter SettingsExchange Rate : 3 dBFrequency Weighting : A-weightingResponse : SlowThreshold Level : 80 dBAMeasurement Range : 80-140 dBA%uc885%ub958 %ubd84%ub95838 %ud55c%uad6d%uc0b0%uc5c5%uc704%uc0dd%ud611%ud68c%uc9c0 2025-Vol. 1 %ubd04%ud638