Section 24-242. Lawn care devices

(a) No person shall operate or use or
  cause to be operated or used any lawn care device:
    (1) On weekdays before eight a.m. and  after  seven  p.m.  or  sunset,
  whichever occurs later; or
    (2)  On  weekends  and New York state and federal holidays before nine
  a.m.  and after six p.m.; or
    (3) At any time in such a way as to create an unreasonable noise.  For
  the  purposes of this section unreasonable noise shall include but shall
  not be limited to  an  aggregate  sound  level  of  75  dB(A)  or  more,
  attributable to the source or sources, as measured at any point within a
  receiving  property. The provisions of paragraph (1) of this subdivision
  shall not apply to an employee of the department of parks and recreation
  or an agent or contractor of the department of parks and recreation  who
  operates  or  uses or causes to be operated or used any lawn care device
  between the hours of seven a.m. and eight a.m. in any location more than
  three hundred feet from any  building  that  is  lawfully  occupied  for
  residential use. The distance of three hundred feet shall be measured in
  a  straight  line  from  the point on the exterior wall of such building
  nearest to any point in the location at which such lawn care  device  is
  operated or used or caused to be operated or used.
    (b) No person shall operate or use or cause to be operated or used any
  leaf blower not equipped with a functioning muffler.