As with most things in my life I try not to fret about things beyond my control while doing my best to optimize the outcome. SPL limitations come in a wide variety of flavors. a weighted rules tend to protect people's hearing while C weighted limits are more effective at monitoring the low frequency sounds neighbors complain about. Today we have a 100db A weighted over 60 minutes as described in the letter below: [ 490 more words ] http://ratsound.com/daveswordpress/2016/11/06/antwerp/