The following are some related links.

Mold information Guide from the EPA:
http://www.epa.gov/iaq/molds/moldguide.php

U.S. Environmental Protection Agency

Introduction to Indoor Air Quality (IAQ)

Indoor Air - Mold/Moisture/Mildew

American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.

In depth analysis of mold and bacteria:
http://www.naturallinkmoldlab.com/