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f n <br /> Effects of Fine Uniform Sands On <br /> 1 <br /> Septic Drain Field Products September 2005 <br /> f Figure 3: Aggregate test box with rigid Figure 6: Quick4 Standard chamber <br /> plastic divider in place during the introduction of water <br /> Sri <br /> y <br /> Figure 4: Aggregate test box with rigid Figure 7: 77ne Engineered louvers of the <br /> plastic divider removed Quick4 Standard prevent soil intrusion <br /> while system is flooded <br />' r1 <br /> 1� �7 <br /> Figure 5: Close up of sand infiltration Figure 8: Engineered louvers preventing <br /> after introduction of water soil intrusion even after the system has <br /> been drained <br /> Conclusion <br /> As shown in Figures 3-8,infiltration of fine uniform sands <br /> varies dramatically from aggregate to chamber. By comparison, <br /> ISI chambers out-perform traditional aggregate systems <br /> i by preventing fine uniform sands from entering essential <br /> void spaces. The reason for the increased protection from MAO <br /> soil intrusion is the design of the engineered sidewalls of SYSTEMS INC <br /> the chambers. By designing the louvers around the "worstr7noonmeniatonsite Wastewater sarurrans <br /> case scenario"for septic soils(fine uniform sands),minimal <br /> soil intrusion translates into a greater factor of safety, www.infiltratorsystems.com <br /> improved performance and increased life expectancy of 1-800-221-4436 <br /> Infiltrator chamber products. <br /> U-5.Patents:4,759,661:5.017,141;5.156,488',5,335,017;5,401,116:5.401.459:5,511,903,5,716.163;5.588,778;5,839,844 Canadian Patents:1,329,959;2,QO4,564 Other patents pending.Infiltrator. <br /> Equalizer,OuicM and Side Winder are registered trademarks of Inurator Systems Inc.Infiltrator is a registered trademark in France.Inliltrator Systems Inc.is a registered trademark in Mexbo. <br /> Contour,Microl-eaching,PolyVt,ChamiterSpacer.MOPort,PosiLook,QuickCut,duickPlay,SrtapLock and StraightLock are trademarks of infiltrator Systems Inc. <br /> 02005 Infiltrator Systems Inc-All rights reserved.Printed in U.S.A. <br /> FS70905181-0 <br />