Table 2 –
Examples of Noise Levels in Decibels (Criteria for a Recommended Standard: Occupational Noise Exposure [NIOSH Publication No. 98-126], 1998; Noise Thermometer, n.d.)
| Decibel | Time to Risk of Hearing Damage | Example Sources |
|---|---|---|
| 140 | Immediate | Gunshot and jet engine on takeoff |
| 125 | <3 s | Pain threshold; air raid siren, and fire cracker |
| 120 | 9 s | Rock concert and sandblasting |
| 115 | 28 s | Baby’s cry and stadium football game |
| 110 | 1 min 29 s | Snowmobile from driver’s seat |
| 105 | 4 min 43 s | Jackhammer and helicopter |
| 100 | 15 min | Chainsaw and stereo headphones |
| 95 | 47 min 37 s | Motorcycle and power saw |
| 90 | 2 hr 31 min | Lawnmower and truck traffic |
| 30 | None | Faint sound and whisper |
Note. Occupational Safety and Health Administration Hearing Conservation program is mandated at 85 dB.