Impractical Remediation

Section 742 Section 742.920  Impractical Remediation Any request for site-specific remediation objectives due to impracticality of remediation shall be submitted to the Agency for review and approval.  Any request for site-specific remediation objectives due to impracticality of remediation that involves the indoor inhalation exposure route shall follow Section 742.935 in lieu of this Section.  A submittal under this Section shall include the following information: a)         The reasons why the remediation is impractical; b)         The current extent and modeled migration of contamination; c)         Geology, including soil types and parameters; d)         The potential impact to groundwater; e)         Results and locations of sampling events; f)         Map of the area, including all utilities and structures; and g)         Present and post-remediation uses of the area of contamination, including human receptors at risk.