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SP TESTING INC. <br />Steven B. Schirmers -951 Katydid Lane NE -St. Michael, MN 55376 <br />Cert. No 627 - State License #394 - Phone 763-497-3566 - Fax 763-497-5011 <br />www.sptesting.wastewaterC@comcast.net - schirmerswastewater.com <br />February 23, 2022 <br />John & Julie Lesser <br />165 Cristofori Circle <br />Orono, MN <br />The soils were thawed using propane heaters. <br />A Compliance inspection was completed for the existing on-site sewage treatment <br />system located on this property for the sale of the home. The system consists of 1- <br />1300 gallon trash trap, 1-1300 gallon septic tank, 1-1300 gallon pump tank, a 750 <br />gallon Multi -Flo Aerobic Wastewater Treatment System & a pressurized mound <br />system, built in June of 1996 for a 5 bedroom home. The Multi -Flo unit was installed <br />on 7-13-07. <br />Soil boring #1A found mottled soil (redox features) at 1.3' & the original soil at elev. <br />88.1 & the bottom of the rock at elev. 89.8 leaving 1.7' of sand & a 3' separation from <br />the bottom of the rock bed & redox features. Soil boring #2A found the sand & rock <br />to be dry, no indication of hydraulic overloading. This system meets the required 3' <br />separation from the bottom of the trenches & redox features & is classified as in <br />compliance with Minnesota Chapter 7080 rules. <br />The tanks were pumped & certified by Elmer J. Peterson Co. Risers will be extended <br />to the surface in the spring by Elmer J. Peterson Co. after the frost is out. The cost <br />of the repair should be completed at this time to assure this will tank place. <br />The Gazebo placed over the Multi -Flo system will need to be removed. It is very <br />difficult to service the Multi -Flo when it is needed. <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 <br />recommended due to adding more solids & fine solids passing through into the <br />system. Iron filters are also not recommended & should be diverted out of the <br />system. Excessive amounts of soaps, antibacterial soaps, cleaning agents, shower <br />cleaners used every shower & chlorine agents may kill the bacteria you need living <br />in the system. Additives are not recommended. Dishwasher & Laundry pods should <br />not be used. <br />