The following resources from the Centers for Disease Control (CDC) and OSHA provide general guidance and information on cleanup issues:
Guide to Cleaning Up Safely After a Disaster
http://emergency.cdc.gov/disasters/cleanup/
Offers fact sheets, videos and podcasts covering a number of topics relevant to small business owners.
Prevent Injury and Illness After a Disaster
http://emergency.cdc.gov/disasters/injury/
Provides advice on how to prevent injury when cleaning up after a disaster.
Among other subjects, the Occupational Safety and Health Administration (OSHA) has published information on: