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Five-Year Water-Quality Report November-17,2008 <br /> Neenah Paper FR LLC Ripon Mill Page 2 of 19 <br /> 2. The average monthly flow from ASB-2 to the irrigation system during the period 2002 through <br /> 2007 was 31,313,000 gallons. The flow was relatively stable from 2002 through 2006. In <br /> 2007, the monthly flow increased between 30 and 60%, although recently(first half of 2008), <br /> the average flow has decreased to pre-2006 levels. Text Figure 2 shows a graph of the <br /> monthly ASB-2 flow to the irrigation system: <br /> Text Figure 2 <br /> ASB-2 Flow to Irrigation System- Monthly Totals <br /> 60,000,000 <br /> 50,000,000 - <br /> 40,000,000 <br /> 30,000,000 ,� <br /> f0 <br /> c 20,000,000 <br /> U. <br /> 10,000,000 <br /> Jan-02 Jan-03 Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Jan-09 <br /> Date <br /> 3. The average TDS concentration of ASB-2 during the period 2002—2007 was 800 mg/L. <br /> During that period, TDS concentration varied between 500 and 1,100 mg/L. Text Figure 3 <br /> shows the monthly average TDS concentration for ASB-2: <br /> Text Figure 3 <br /> l000 <br /> ASB-2 TDS Concentration - Monthly <br /> 950 --- <br /> 900 1 1A A <br /> 850A A A /V\ A <br /> — -- <br /> J <br /> 800 <br /> / V <br /> 0 750 — <br /> 700 .--- --- <br /> 650 — — -- — <br /> 600 {--- —r - —�— --- -T — — <br /> Jan-02 Jan-03 Jan-04 Jan-05 Jan-06 Jan-07 Jan-08 Jan-09 <br /> Date <br /> 003044.02 Lawrence&Associates <br /> W:UientsToxRiver-Neenahl5 year review reportsl5 Year Review 2008Weenah_5YearReview Aug2008.doc <br />