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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">A revised <a href="http://www.dem.ri.gov/programs/benviron/water/permits/isds/pdfs/ialist.pdf">
<span style="color:#0563C1">List of Approved Technologies</span></a> dated April 9, 2019 has been posted to the RIDEM website. Two new technology certifications and corresponding manuals were recently approved and Nitrex was removed (see details below).
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-family:"Times New Roman",serif">SoilAir</span></u><span style="font-family:"Times New Roman",serif"> (Geomatrix Systems, LLC) is a component installed after a septic tank, or a RIDEM-approved advanced treatment system.
It intermittently supplies air which flows through the leachfield and surrounding soil. It may be used for repair of systems that have failed due to excessive organic build up in the leachfield, or for new systems to prevent oxygen deficit from developing
in and around the leachfield.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-family:"Times New Roman",serif">HyAir</span></u><span style="font-family:"Times New Roman",serif"> (Geomatrix Systems, LLC) is a component that uses air pressure to lift or distribute wastewater. It is installed after
a septic tank, or a RIDEM-approved treatment system in an excavation prepared for it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-family:"Times New Roman",serif">Nitrex</span></u><span style="font-family:"Times New Roman",serif"> (Lombardo Associates, Inc.) was removed from the List of Approved Alternative or Experimental Technologies.
<b>RIDEM will no longer accept construction application specifying this technology.<o:p></o:p></b></span></p>
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<p class="MsoNormal"><img border="0" width="117" height="57" style="width:1.2166in;height:.5916in" id="Picture_x0020_1" src="cid:image003.jpg@01D4F05F.096AF1B0"><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">Rhode Island Department of Environmental Management<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">Office of Water Resources – Onsite Wastewater Treatment Systems (OWTS) Program<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">235 Promenade Street, Providence RI 02908<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">Website Address:
</span><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#233A9D"><a href="http://www.dem.ri.gov/septic"><span style="color:blue">www.dem.ri.gov/septic</span></a>;
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">OWTS Phone Line: 401.222.3961;
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Franklin Gothic Book",sans-serif;color:#767171">OWTS General Information Email Address:
<a href="mailto:DEM.OWTS@dem.ri.gov"><span style="color:blue">DEM.OWTS@dem.ri.gov</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Georgia",serif;color:#C00000"><o:p> </o:p></span></b></p>
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