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10/08/2010 01: 50 7634975011 SPTESTINGINC PAGE 02!07 e <br /> S-P TESTING, INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE a St. Michael, MN 55376 • (763) 497-3566 <br /> FAX (763) 497-5011 <br /> State license #394 <br /> October 5, 2010 <br /> Carolyn Meyer <br /> 100 North Shore Dr. W <br /> Orono, Henn, Co., MN <br /> A Compliance Inspection was completed for the existing on-site sewage treatment <br /> system located on this property. The system consists of 2-1000 gallon septic tanks, 1- <br /> 1000 gallon pumping chamber & a pressurized mound system with a 10' x 41' rock bed <br /> built in 2001. Soil boring #1 found mottled (redox features) at 2.3' below the ground <br /> surface. Soil boring #3 found the original soil at elev.102.5 &the bottom of the rock <br /> bed at elev.104.3 leaving 1,6' of sand below the rock bed & a 4.1' separation from the <br /> bottom of the rock bed & redox features. Soil boring #2 found mottled soil at 2.6' below <br /> the ground surface. Soil boring #4 found the original soil at elev.102.6 & the bottom of <br /> the rock bed at elev.104.0 leaving 1.4' of sand below the rock bed & a 4' separation <br /> from the bottom of the rock bed & redox features. This system is classified as in <br /> compliance with Minnesota Chapter 7060 rules. <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. Excessive 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 flanks through 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 /> 69 <br /> Steven B. Schirmers <br /> 1 <br />