Wonder Makers' Environmental Report:
Environmental Monitoring of Indoor Air Quality
Harper Creek Middle School, Battle Creek, MI 
PROJECT NUMBER: 1A14-12000
Copyright January 2015
Total Report over 200 pages. An excerpt of the report is below:

Continuation:

For Your Information - Continuation

VOCABULARY

Mold and other indoor air pollutants can cause serious health problems.  For accurate information about the health effects of mold, go to this link and check out the Global Indoor Health Network.  There is no guideline in the U.S. for "safe levels" of mold inside buildings. To learn about proper testing methods follow the link.....