| Whether Indy Car race fans or not, none can | | | | racing took place from 8:30 AM until about |
| dispute the impact Grand Prix races have on | | | | 5:00 PM each day. Depending on where |
| the city in which they are held. Whether it | | | | residents live, decibel (dB) levels reached |
| is decibels or dollars, the races have a | | | | from 110 to 122. How loud is 122 dB? A |
| significant effect.Take St. Petersburg, | | | | typical conversation occurs at about 60 dB. |
| Florida, where a recent Indy Car race was | | | | Washing machines produce 75 dB. A power tool |
| held, for example. The most pressing issue | | | | generates about 100 dB. And gunshot can cause |
| for many St. Pete residents was the sound. | | | | immediate hearing loss, with sound reaching |
| Indy cars are very loud and the raucous | | | | 140 to 190 dB, depending on the weapon. |