(a) Powered equipment such as lawnmowers, small lawn and garden tools, riding tractors or snow removal equipment shall not exceed seventy-four decibels dB(A).
(b) Powered equipment for occasional use such as chain saws, pavement breakers, log chippers or powered hand tools shall not exceed eighty-eight dB(A).
(c) Agricultural tractors and equipment shall not exced eighty-eight decibels dB(A).
(1964 Code Sec. 99.10)