exacty, all this money and resources and they can't get a freaking db meter for $10 or so to actually get an accurate measurement of noise.

interestingly enough, Mara spokesman said

"sounds from our operations are within the normal range experienced every day from a variety of sources"

So in this case, someone is surely lying, it is either the neighbours or Mara, it takes 5 mins and a few bucks to figure out.