Layout 1:NoiseThermometerFINAL.2
8/29/05
9:45 AM
Page 1
NoiseThermometer Sound Energy Doubles Every 3 dB
Example: if a 90 dB noise is doubled, it measures 93 dB
Occupational Noise
Household Noise Fireworks 162 dB
Apollo Lift-Off 188 dB
Handgun 166 dB
쑽
쑺
쒀
쑸
M1 Rifle 161 dB
Shotgun 170 dB
Artillery Fire 162 dB Immediate Physical Damage 160 dB
Immediate Physical Damage 160 dB
쑸
Firecracker 150 dB
Noisy Squeeze Toys 135 dB
Engine Backfire 140 dB Immediate Pain Threshold 130 dB
쑸
Balloon Pop 157 dB
Jet Engine Take-Off 150 dB
Dynamite Blast 140 dB
Bicycle Horn 143 dB
Immediate Pain Threshold 130 dB
쑸 쑺 쑸 쑺
Rock Concert 120 dB
Unprotected Noise Exposure of Any Duration Not Permitted Above This Level 115 dB
Thunder 120 dB
쑸
쑺 Severe Irritation to the Ear 120 dB
쑺 Generator 116 dB
쑽
쑽
쒀 Compactor 116 dB
CD Player 105 dB
쑽 Motorcycle 105 dB
Ambulance Siren 112 dB
쑽 쑽
1 Hour
쑸
Jackhammer 130 dB
Chainsaw 118 dB
Stadium 117 dB
쑺
Crying Baby 110 dB
Hammer on Nail 120 dB
Jet Plane at Ramp 120 dB
15 Min
Severe Irritation to the Ear 120 dB
Pig Squeal 130 dB
Oxygen Torch 121 dB
30 Min
Auto Racing 130 dB
쑺
Impact Wrench 102 dB
Unprotected Noise Exposure of Any Duration Not Permitted Above This Level 115 dB
쑽
쒀 Diesel Truck Accelerating 114 dB
Extremely Loud 100 dB
2 Hours
Extremely Loud 100 dB
쒀 Power Lawnmower 94 dB Hearing Protection Required by OSHA 90 dB
Bulldozer 100 dB
쑺
Industrial Fire Alarm 95 dB
쑽
쑸
Subway 90 dB
Table Saw 93 dB
쑸
Ear Damage Possible 85 dB
Forklift 87 dB
쒀 Hair Dryer 80 dB
Handsaw 85 dB
Ringing Telephone 82 dB
쑺
Ear Damage Possible 85 dB
쑸
Elevator 85 dB
쑸
Lathe 81 dB
쑺
쒀 Alarm Clock 75 dB
Hearing Protection Required by OSHA 90 dB
쑺
Blender 85 dB
쑸 Vacuum Cleaner 74 dB
Cockpit of Propeller Airplane 88 dB
쑺
Smoke Alarm 85 dB
4 Hours
쑽
Garbage Disposal 80 dB
Non-Hazardous 65 dB
Non-Hazardous 65 dB Sewing Machine 60 dB
Microwave Oven 58 dB
Dishwasher 60 dB
쑽 Background Music 50 dB
쒀 Normal Conversation 60 dB
Rainfall 50 dB
Large Office 50 dB
쑽 8 Hours
쑸
Flowing Stream 50 dB
Comfortable 50 dB
쑸 Quiet Residential Area 40 dB
Paper Rustling 50 dB
Quiet Library 40 dB
쑺 Comfortable 50 dB
Quiet Office 40 dB
쒀
쑺
Transformer 50 dB
쑽
Refrigerator 43 dB
쑸
Audible Whisper 30 dB
Threshold of Audibility 20 dB
Threshold of Audibility 20 dB
쒀 Normal Breathing 10 dB 0 dB
0 dB
OSHA Permissible Exposure Limits
Bacou-Dalloz Hearing Safety Group 7828 Waterville Road, San Diego, CA 92154 Tech Support ph. 800/977-9177 • fax 619/661-8131 Cust Service ph. 800/430-5490 • fax 401/232-1110 www.howardleight.com • www.bilsom.com HP.202 08/05 RPI
www.bacou-dalloz.com
Distributor: National Safety, Inc. 6910 S. 196th St. Kent, WA 98032 (800) 213-7092
[email protected] www.nationalsafetyinc.com
