Section 24-226. Air compressors

(a) No person shall operate or cause to be
  operated an air compressor unless it is  equipped  with  an  appropriate
  muffler with no exhaust leaks.
    (b)  No  person  shall sell, offer for sale for use within the city of
  New York, or operate or permit to be operated an  air  compressor  that,
  when  operated,  produces  a  maximum  sound  level,  when measured at a
  distance of one meter or more from the nearest major surface of such air
  compressor, exceeding 80  dB(A)  for  sizes  greater  than  350  cfm  or
  exceeding 75 dB(A) for sizes 350 cfm or less.
    (c) Except for construction work outside the property line on a public
  right-of-way,  no  person  shall operate or permit to be operated an air
  compressor so as to generate sound levels  in  excess  of  75  dB(A)  as
  measured at any receiving property.