It is the purpose of this Part to authorize the Department to approve the remediation of contaminated sites based on site-specific remediation standards in circumstances where site-specific remediation standards are adequate to protect public health, safety, and welfare and the environment and are consistent with protection of current and anticipated future use of groundwater and surface water affected or potentially affected by the contamination. (2011-186, s. 2; 2015-286, s. 4.7(a).)