Section 84. Construction standards for the control of noise

On or before
  January  first,  nineteen  hundred  sixty-nine,  the  department   shall
  formulate,  adopt,  promulgate  and  thereafter  from time to time amend
  standards of sound retardation for the walls, partitions and floors  and
  ceilings  between  apartments  and  between apartments and public spaces
  situated therein based on the direct measurement of  sound  transmission
  loss  determined  in  decibels  for various frequencies or in accordance
  with the ASTM sound transmission class system or in accordance with such
  other recognized method or  system  for  measuring  reduction  of  sound
  transmission  as  the  department  may  determine to be appropriate. Any
  construction of a  multiple  dwelling  commenced  after  January  first,
  nineteen  hundred  seventy  shall  comply with the standards promulgated
  pursuant to this section in effect at the time of commencement  of  such
  construction.