Does the site have any issues with hazardous materials; for example, with brownfield contaminants, lead, or asbestos?

Environmental concerns such as these will have a significant influence on the measures that must be included in your project and on your project budget. Regulations regarding remediation, removal, or disposal are developed at the federal level and typically enforced at the state level by an agency such as a department of environmental conservation. In some cases, local governments come into play by specific land use laws included in their zoning ordinances.