Vibration impact limits

No manufacturing or business enterprise shall generate vibration which is discernible to the human sense of feeling at the property line of the use for a cumulative total of three minutes or more duration in any single hour between 7:00 a.m. and 7:00 p.m., or 30 seconds or more duration between 7:00 p.m. and 7:00 a.m. No vibration shall produce an acceleration of more than 0.1 g or result in a combination of amplitudes and frequencies beyond the safe range of Table 7, U.S. Bureau of Mines Bulletin 442. The methods and equations of said Bulletin 442 shall be used in enforcing this regulation.