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J � PROPRIETARY & CONFIDENTIAL <br />Mine Water Treatment — Peabody Energy Page 14 of 48 <br />5.2 Feed and Output Volume <br />Below are the feed and output volumes by each system component. The feed <br />volume of the Pre - Treatment and Solid Separation Systems needs to be designed at <br />95% greater capacity to the Water Treatment System to account for loss and still <br />meet the designed output requirement of 190 to 360 GPM. <br />• <br />5.3 <br />• <br />Table 3: System Volume Table <br />System.Component <br />Feed Volume <br />Output Volume <br />Pre - Treatment Water System <br />100 — 400 GPM <br />100 — 400 GPM <br />Solids Separation System <br />90 — 390 GPM <br />90 — 390 GPM <br />80 — 360 GPM <br />Water Treatment System <br />90 — 390 GPM <br />*Stated output volume does <br />not account for a blended <br />discharge. <br />Solids Management System <br />1 lb — 5 lb per hour on <br />a dry basis <br />Pre Treatment Requirements <br />For Water Tectonics' preliminary design, any "pre- treatment requirements" will be <br />addressed by the Wavelonics (electrocoagulation) system and automated pH <br />adjustment managed by the Wavelonics system. Our design will also include influent <br />screening of the source water to prevent particulates above 50 micron from entering <br />into the system. <br />Document Version: 4.0 © Water Tectonics, Inc. 2008. All rights reserved. <br />Cd WATERTECTONICS <br />