Lead paint and the Maryland Dept of the Environment www.mde.state.md.us/lead
Radon www.nsc.org/resources/issues/radon/faq.aspx
Asbestos www.epa.gov/asbestos/
Home Inspection www.ashi.org/
Baltimore County Rental Inspection www.baltimorecountymd.gov/Agencies/permits/rentalregistration/index.html