>> the ambient noise measurements -- my name is ethan halter. the measurements of background noise that we took on the evening of july 8 were noted in our report. they were higher than those noted in the wia report, but similar to the ones noted in the entertainment commission report. vice president garcia: is that formulary? it seems as though when i was reading the papers that were you to want to know about ambient noise levels in a given block there is some more you can go and a chart that would tell you what that is. it is not an independent reading taken by someone such as yourself or someone else. there is an exact, absolute number that exists out there. is that inaccurate, my impression? >> if i may say, there are guidelines to typical background noise levels in a variety of different types of neighborhoods. indeed wia report, they show a graphic that shows everything from rural farm land to right next to train tracks. those could be considered reasonably representative of a typical neighborhoods of that type. there is also the on-site me