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Sound Pressure Levels
 

The following table gives a comparison of decibel levels to the every day environment.
dB(A)
20-30 Quiet countryside at night
30-40 Quiet office environment
60-65 Conversation, general office noise
75-80 Nearby traffic in town
80-90 Inside a car at high speed
85-95 General industrial workshop
95 Upwards Beside very noisy machines
110 upwards Beside unsilenced road drill
130 upwards Threshold of pain

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Duncan Rogers (Engineering) Ltd, 396 Hillington Road, Glasgow, G52 4BL  Scotland

Tel: +44 (0) 141 882 6211   Fax: +44 (0) 141 882 5818   Email: info@duncanrogers.com