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atni UY Xerox Telecopier 7-14-92 AM 12099484910- 18383509.71 7 <br /> am r Cdr.Efttw~r Pmucftn Apwn Demmunm d Tale&Aw a s cc <br /> �Ant,�cFM�tr MEMO man* #,9,2-,4 <br /> Program Management Manual Volume:. <br /> ' Titles Approval of a Partial Site Cleanup <br /> Affected Programa: Site Mitigation, Toxics Legal Office <br /> ' Backgrounds Developers and lending s <br /> P q in titutians frequently <br /> desire to develop properties that have experienced various levels <br /> ' of contamination by hazardous substances. In some cases the <br /> groundwater beneath a property may also have become contaminated <br /> and will require treatment. In most cases, the presence of <br /> contaminated groundwater will not adversely impact development of <br /> the surface of the property provided that surface and subsurface <br /> soils have been remediated. However, in cases where the <br /> groundwater must be treated in order to complete an entire <br /> ' 1.l#_-cu1up to state standards, those systems need to be designed and <br /> any easements necessary for their construction and operation must <br /> be provided for prior to surface property development. <br /> 1p Developers and lending institutions usually want to have some <br /> written documentation that the partial cleanup actions have <br /> resulted in adequate Cleanup of surface and subsurface soils amd <br /> ghat adequate provisions have been made for the installation of <br /> ' any necessary groundwater treatment systems before proceeding <br /> with development. <br /> Action: In order to facilitate the redevelopment of land where <br /> ' surface and subsurface soils have been adequately remediated but <br /> where full cleanup of contaminated groundwater has not occurred, <br /> a letter modeled on the attached standard letter may be issued at <br /> ' the discretion of the Regional Administrator. In cases where <br /> there has been no groundwater contamination or where the <br /> department has determined that groundwater cleanup is <br /> unnecessary, the Regional Administrators are to. continue to issue <br /> ' the standard site certification letter following adequate cleanup <br /> of -surface and subsurface soils. <br /> ' Attachment: Model °'Approval of Partial Remediation" Latter <br /> CONTACTS: <br /> ' =Lath Mcclenahen Tony Landis <br /> Site Mitigation Branch/HQ Site Mitigation Branch/Region 1 <br /> (916) 255-1002 (916) 855-7887 <br /> CALNET 495-7887 <br /> Date William F. Soo Hoo, -D- rector <br />