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4 • <br /> S�P TESTINGi I�C. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (763) 497-3566 <br /> FAX (763) 497-5011 <br /> � State License #394 <br /> �J <br /> October 23, 2012 � <br /> � <br /> John Adams Cl�r <br /> 4245 Chippewa Lane <br /> Orona, Henn. Co., MN <br /> A Compliance Inspection was completed for the existing on-site sewage treatment <br /> system lacated on #his property. The system consists of 2-1250 gallon septic tanks, 1- <br /> 1250 gallon pumping chamber & a pressurized mound system with a 10' x 68' rock bed <br /> built in 2001 for a 5 bedroom home. Soil boring #1 found mottled (redox features) at <br /> >2.2' into the original soil. Soil boring #3 found the original soil at elev.91.3 &the <br /> bottom of the rock bed at elev.92.2 ieaving .9' of sand below the rock bed & a 3.1' <br /> separation from ti�e bottom of the rock bed & redox features. Soil boring #2 found <br /> mottled soil at 2' into the original soil. Soif boring #4 found the original soil at elev.90.5 <br /> &the bottom of the rock bed at etev.92.5 leaving 2' of sand below the rock bed & a 4' <br /> separation from the bottom of the rock bed & redox features. This system is classified <br /> as in compliance with Minnesota Chapter 7080 rules. SB#2 had rusty colors in the <br /> topsoil. This is old decade vegetation, not mottl�d soil. From 58" to 70" there were <br /> brown soils 10YR 5/3 with no mottles or compaction. <br /> The tanks were pumped by Elmer J. Peterson Co. &were found to be compliant at this <br /> time. <br /> Nothing other than gray water(laundry, showers, etc.) human waste &toilet tissue <br /> should be disposed of into the septic tanks. Garbage disposals are not recommended, <br /> due to adding more solids & fine solids passing through to the system. Recommend to <br /> divert iron filters out of the system, recommend to divert the water softner also if <br /> diverting the iron filter. Eucessive amounts of soaps, antibacterial soaps, cleaning <br /> agents, shower cleaners used every shower& chlorine agents may kill the bacteria <br /> needed to treat septic effluent. Additives are not recommended. Recommend to pump <br /> & clean your tanks #hrough the manhole by a certified pumper every 2 years. Check <br /> with your pumper to set up a schedule. <br /> This Certificate of Compliance is no guarantee that this system will continue to function <br /> indefinitely. <br /> Steven B. Schirmers <br />