Sound Intensity/SIL
uSound Source               Intensity/SIL
uSaturn rocket at 50 m                                   108   = 200 dB   
uJet engine at 10 m                                         103    = 150 dB
uJet engine at 50 m                                         10     = 130 dB
uSST takeoff at 500 m; Pneumatic drill       100    = 120 dB
uAmplified Rock Music                                 10-1  = 110 dB
uMachine shop                                                10-2  = 100 dB
uJackhammer at 1 m; Subway train             10-3  =   90 dB
uFactory                                                            10-4  =    80 dB