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Office of Mined Land Reclamation <br />September 24, 1992 <br />Page 2 <br />other lubricants. Maximum storage capacity will be <br />approximately 6,000 gallons. The facility will be designed <br />with a 1,200 gallon capacity containment-basin. After <br />allowing for a 2.5" precipitation event, this containment <br />basin will contain 800 gallons, or the ecuivalP.nt of 160 <br />Pive gallon containers. <br />MR-35 Bulk Storage of Nalco 7883 & 7885 Flocculant <br />This minor revision provides for a 5,000 gallon bulk storage <br />tank for Nalco Enact 7883 flocculant and a 1,000 gallon tank <br />for Nalco 7885 clarification aid The installation <br />includes a 6,000 gallon capacity cement containment basin. <br />Both bulk tanks will feed 55 gallon drums for the metered <br />injection of the flocculant into the mine water discharge as <br />needed. The Nalco 7885 system will not be implemented prior <br />to the approval for using dual chemical treatment. <br />Enclosed please find three copies of the following Golden <br />Eagle permit revisions: <br />1. Map 10 Surface Facilities and Roads <br />2. EXHIBIT 19 Schedule MR-32 (Bonding Requirement MR-32) <br />EXHIBIT 19 Schedule MR-33 (Bonding Requirement MR-33) <br />EXHIBIT 19 Schedule MR-34 (Bonding Requirement MR-34) <br />EXHIBIT 19 Schedule MR-35 (Bonding Requirement MR-35) <br />3. TABLE 16 SURFACE FACILITIES LIST (Golden Eagle Permit <br />page 2.05-8) <br />MR 33 ef`.ectively supersedes approved MR 19 for an Oil <br />Storage Barn which was never constructed and did not provide <br />for spill containment. Please delete this revision from the <br />permit and apply the bonding toward the new revision. <br />If you have any questions or require additional information, <br />please contact me. <br />Sincerely, <br />,~ ., fi_' ,~ . , <br />Ronald G. Thompson <br />Mine Engineer <br />Enclosures <br />