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On October 23, 1992 Messrs. R. Gotziou, W. Schuster, and M. Bailey measured noise <br /> levels at the pistol range at North Bristol Sportsman's Club and at McMiller <br /> Sportsman's Center. The range at McMiller Sportsman's Center is similar to the <br /> proposed North Bristol Sportsman's Club range. The table below gives the results <br /> of our measurements. As a reference, 60-65 decibels is normal conversational <br /> sound level. <br /> North Bristol Sportsman's Club <br /> No Covered Shooting Stations <br /> No Baffles <br /> Distance (feet) Firearm <br /> 44 mag. pistol .30-06 .375 mag <br /> 3 96 db 103 db 104 db <br /> 250 79 db 86 db 85 db <br /> 500 72 db 74 db 74 db <br /> McMiller Sportsman's Range <br /> Berms and Covered Shooting Stations <br /> Distance (feet) Firearm <br /> 44 mag. pistol .30-06 .375 mag <br /> 250 74 db 76 db 75 db <br /> 500 64 db 66 db 65 db <br /> The data indicates that the berms and covered shooting points lower the noise <br /> level about 8-10 decibels and to normal conversational levels at the 500 foot <br /> distance. Also, at 250 feet or greater, the pistol and rifles produce very <br /> nearly the same noise level, so it appears that the noise level will not be <br /> significantly higher. <br />