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increasing reclamation and closure FW requirements at state and federal levels. <br />The rationale for this operational clarifications report is simple. This report seeks <br />to clarify several areas of Henderson operations and plans to more accurately <br />calculate the FW for Henderson. These clarifications are to components already <br />considered part of the Permit, and therefore, do not fall within the regulatory <br />definition of a TR. <br />3.0 CLARIFICATIONS <br />Henderson has determined that there are several specific areas and general <br />areas to be addressed in this report. Each will be discussed separately in the <br />order presented. Areas refer to the "area designation" in the Permit. <br />• Areas 1,5: Removal/Disposal of Chemicals <br />• Area 1: Mine Site <br />• Area 2: 4 Shaft Seal <br />• Area 4: Surface Railroad Area <br />• Area 9: Tailings Pond <br />• Area 14: Powerline Demolition <br />• Area 20: Seepwater Canal/Pumphouse <br />• Area 24: Henderson 2000 Conveyor System <br />• Area 25: Mill Water Treatment (Facility and Treatment) <br />• General : Revegetation Failure Rates; indirect Costs <br />3.1 RemovaUDisposal of Chemicals <br />Henderson has examined the petroleum products and chemicals presently in use <br />and stored underground at the mine and at the mill and has found several areas <br />that will influence the FW total. Many of these items were discussed with DMG <br />during an inspection conducted August 1, 2002. A copy of the inspection report is <br />attached in Exhibit A. Documentation for chemical removal/disposal clarifications, <br />including Henderson spreadsheets, are included in Exhibits B (mine} and C (mill). <br />3.1.1 MinelUnderground -DMG #01a <br />As discussed with DMG during the referenced inspection, Henderson is providing <br />an updated list of materials used and stored underground. This list, along with <br />four maps, is provided in Exhibit B. <br />3 <br />