Noise Thermometer

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