If I recall correctly, there were some rules in place for governing how loud a commercial could sound, as compared against the TV show is was being run in, where it had to either be at or less than the volume, BUT it left a gaping hole where they could pick the loudest single instant of volume from the show and use that as the sound against the commercial's volume had to be measured against.
So, if a show had a bunch of blah blah blah dialog for 59 minutes, but there was a single cutaway shot to some random bomb going off, the commercial could blast as loud as that bomb blast and still conform.
So soooooooooooooooooooooo please let this come to pass as quickly as possible.
I like heading off to sleep with the TV on, and I often get jarred awake by some crazy loud commercial for 'roll on' headache medicine, or some other crap.
Bob Bone