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require the use of such devices to manage organic load as the plan approval letter for <br /> the system appears to mandate. (Refer to the attached addendum.) <br /> Thank you for your interest in my service. I look forward to working with you in the <br /> future. Direct any questions regarding this letter to my attention. <br /> Best regards, <br /> Ed Taylor <br /> ADDENDUM <br /> SPS 383.44 Parameters for POWTS components consisting of in situ soil. <br /> (1) EVALUATION. POWTS treatment and dispersal components consisting in part of in situ soil shall be <br /> evaluated in accordance with ch. SPS 385. <br /> (2) INFLUENT QUALITY. <br /> (a)The quality of influent discharged into a POWTS treatment or dispersal component consisting in part of in <br /> situ soil shall be equal to or less than all of the following: <br /> 1.A monthly average of 30 mg/L fats,oil and grease. <br /> 2. A monthly average of 220 mg/L BOD5. <br /> 3. A monthly average of 150 mg/L TSS. <br /> (b)The monthly average under par. a shall be calculated as the sum of all measurements taken over 30 <br /> consecutive days, with at least 6 measurements occurring on 6 separate days,and divided by the number <br /> of measurements taken during that period. <br /> (c)Influent discharged to a POWTS treatment or dispersal component that consists in part of unsaturated soil <br /> may not contain any solid or suspended solid exceeding 1/8 inch in diameter. <br /> Note:Under s.SPS 383.03(1)(b),the replacement of a POWTS anaerobic treatment tank(septic tank)in conjunction with this rule <br /> would limit any solids within the effluent leaving the tank to a maximum of 1/8-inch diameter. <br /> (d)The department may designate a new facility as"at-risk"if the department determines that the facility may <br /> generate waste with influent quality in excess of the parameters under par. (a).A facility designated as <br /> "at-risk"shall submit additional testing data as specified in par.N to the department and the <br /> governmental unit within one year of installation of the POWTS components. A facility that continues to <br /> produce influent with parameters above the limits in par. (a)or the approved design shall reduce <br /> wastewater strength according to the facility's management plan required under s. SPS 383.54 (1). <br /> (continued) <br />