This historical publication is the eighth chapter of the Historic Structures Report Housing and Urban Development (HUD) Building. The purposes of this chapter are to describe the stains and soiling on the building, provide a justification for cleaning, provide the expected appearance after cleaning, describe the previous surface treatments found on the building, and provide environmental considerations when cleaning.

A collection of Historic Structures Report Housing and Urban Development (HUD) Building publications are available on HUD User:

This report is part of the collection of scanned historical documents available to the public.