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EPA-PFD 9754 02.doc ✓� <br /> Wayne Mannor 5-15-02 <br /> Process Diagram <br /> PH robe <br /> Discharge pH probe pH probe <br /> POTW Pit <br /> �t Bulk Caustic <br /> #2 Tank # 1 Tank <br /> 13 <br /> Flow meter <br /> Caustic soda solution - <br /> Dormant line <br /> Composite Sampler P 12 1� <br /> 1 Filter press cid c� <br /> Oq P 7 n, <br /> Air to stack P 1 <br /> Cake <br /> Dormant PBR P6 sump P 7 sump Wet acid scrubber <br /> Unit <br /> r Clarifier P 6 <br /> Potable <br /> 4 1' <br /> cascade <br /> Lime Borax Cold water Cold water Sulfuric ]egen <br /> rinse rinse acid lul <br /> Mage up water Ferroussulfate <br /> Steam to heat exchangers Rod <br />