ABSTRACT
Information in this chapter has been modified from public documents at the websites of Centers for Disease Control and Prevention (CDC, www.CDC.gov), Environmental Protection Agency (EPA, www.EPA.gov), Food and Drug Administration (FDA, www.FDA.gov), U.S. Department of Agriculture (USDA, www.USDA.gov), and Department of Defense (DOD, www.troopsupport.dla.mil/subs).
