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E <br /> February 28, 2007 <br /> NOA Project Number: E07023A <br /> 3.3 On-Site Septic Repair Permit History <br /> 1 <br /> ! No septic repair permits were found for the site during file review at the EHD on February 28, <br /> 2007. <br /> 3.4 Existing Septic Tank Usage in the Vicinity <br /> In an attempt to determine the septic system density for the vicinity of the Site, our office reviewed <br /> a 2005 aerial photograph of the subject property available from GoogleMapsTM. We counted the <br /> building clusters within one square mile of the Site, and made the assumption that each building <br /> cluster has one septic system. Using this method,we determined that there are a minimum of 150 <br /> septic systems per square mile in the immediate vicinity of the Site. <br /> The general area consists of light impact manufacturing,warehousing,wholesaling and construction <br /> contracting buildings. <br /> �j 3.5 Septic Permit History in the Vicinity <br /> 1 � <br /> The following septic system permits were found for the vicinity of the site during file review at the <br /> EHD on February 28,2007: <br /> I 1 Table 1. <br /> Vicinity Septic System Permit Summary <br /> Address,Date Tank Lines,Length, Pits Comments <br /> Capacity <br /> 9653 Manthey Road 1600 gal 10 x 40 filter bed New installation <br /> 10-15-1976 <br /> 5708 Manthey Road <br /> 5-8-1998 Two,80'leach lines New installation to a residence <br /> 0 <br /> 6215 South Manthey Road 1200 gal Three,70'leach Lines New installation to a residence <br /> I 7-16-1976 <br /> The septic systems in the area appear to utilize leach lines and filter beds. <br /> FA3.6 Septic Repair Permit History in the Vicinity <br /> The following septic system repair permits were found for the vicinity of the Site during file review <br /> M at the EHD on April 20, 2006: <br /> 3 <br />