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►. March 15,2007 <br /> NOA Project Number.. E07031A <br /> r 3.2 On-Site Septic Permit History <br /> One eptic permit was fo[o]d for the site review at EHD #February 15, 2007. The permiy'was <br /> s d to Brown's automotive for the installation of a 1,200 gallon septic tank and two, 60 foot leach <br /> lines. <br /> f. 3.3 On-Site Septic Repair Permit History <br /> No septic re air permits were found for the site during file review at EHD on February 15,2007. <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 1993 aerial photograph of the subject property available from Google EarthTM.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 20 <br /> septic systems per square mile in the immediate vicinity of the Site. <br /> ` The general use of the vicinity appears to be industrial and commercial sites. <br /> 3.5 Septic Permit History in the Vicinity <br /> The following septic system permits were found for the vicinity of the Site during file review at <br /> EHD on February 15, 2007: <br /> Table 1. <br /> Vicinity Septic System Permit Summary. <br /> Address,Date Tank Capacity Lines,Length,Pits Comments <br /> 2690 Yosemite Avenue — One,80'leach line Addition/Repair <br /> 8-31-93 <br /> 2848 West Yosemite Avenue -- 23'x 7'filter bed Addition/Repair <br /> 2-29-92 <br /> 2672 West Yosemite Avenue 1200 gal Two,80'leach lines Addition/Repair <br /> r 4-9-02 <br /> 2818 Yosemite Avenue -- Two,40'leach lines Addition/Repair <br /> 7-18-99 <br /> 3133 West Yosemite Avenue -- 110'x 12'x 10' filter bed Addition/Repair <br /> 8-2-88 <br /> 3303 West Yosemite Avenue 1200 gal One,80'leach line and new Addition/Repair <br /> 11-17-99 1 1 1,200 gal septic tank <br /> The septic systems in the area appear to utilize leach lines and filter beds. <br /> 3 <br />