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� �"��� ����` <br /> < � � <br /> . <br /> � �,; � U�`�(,� -�� �� � �,��. �; � � <br /> S�P TESTING� INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michaei, MN 55376 • (763) 497-3566 <br /> FAX �763) 497-5011 <br /> State License #�94 <br /> auc s � 2oa� <br /> August 20, 2004 �-�°° � w:. ��=; ;�,;�; <br /> �3��� <br /> David Gross <br /> 2635 Countryside Dr. W. <br /> Orono, Henn. Co., MN <br /> Three soil borings were completed in the area for an alternate on-site sewage <br /> treatment system for this property. Mottled soil (redox features) was present at 18" & <br /> 26" below the ground surface. A pressurized mound system will need to be used to <br /> adequately treat septic effluent. <br /> Keep all heavy equipment off of the proposed treatment areas before & after <br /> construction. <br /> Nothing other than human waste, toilet tissue, laundry, showers, water softener etc. <br /> should be disposed of into the septic tanks. Recommend Iron filters be diverted out of <br /> the system. Recommend to divert the water softner also if the iron filter is diverted. <br /> Garbage disposals are not recommended, due to adding more solids & fine solids <br /> passing through to the system. Excessive amounts of soaps, antibacterial soaps, <br /> cleaning agents, shower cleaners used every shower & chlorine agents may kill the <br /> bacteria needed to treat septic effluent. Additives are not recommended. Recommend <br /> to pump & clean your tanks through the manhole by a certified pumper every 2 years. <br /> Check with your pumper to set up a schedule. Recommend laundering be limited to 3 <br /> to 4 loads per day. <br /> � C <br /> . �-�.__-- <br /> teven B. Schirmers <br /> 1 <br />