Factors in Population Growth The key factors in population change are natural increase (the number of births minus the number of deaths), net migration, and the interplay between these elements. These factors are in turn driven by fertility rates, the age structure of the population, mortality rates, life expectancy, and rates of in- and out-migration.
Federal law requires that before signing a lease for housing built before 1978, renters must receive the following from your landlord: An EPA-approved information pamphlet on identifying and controlling lead-based paint hazards, Protect Your Family From Lead In Your Home (PDF).
1 Under federal EPA and lead disclosure rules, a lessor or seller of private or public housing built after 1977 must use a lead paint disclosure form to disclose any known information concerning lead-based paint or lead-based paint dangers or hazards.hat Lead-Based Paint Disclosure Laws Require. 1  Under federal EPA and lead disclosure rules, a lessor or seller of private or public housing built after 1977 must use a lead paint disclosure form to disclose any known information concerning lead-based paint or lead-based paint dangers or hazards.