In response to noise complaints at the Mars Hill wind facility, the Maine Department of Environmental Protection (DEP) requested developer UPC Wind Management LLC conduct a sound level study at the site. Here is the cover letter and document ("Sound Level Study - Ambient & Operations Sound Level Monitoring") submitted by UPC to the Maine DEP.

Attachment:
UPC Letter to MEDEP Filing RSE Re Sound 06 21 07.pdf
Mars Hill Sound Study w Appendices.pdf