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RULE 4 PERFORMANCE STANDARDS <br />+,��• '`711 3ta1e Highvmy 13 <br />i <br />60A <br />/ '.lr'c• �r Cr oracu 816,11 <br />ra COMPANY <br />�zT7T-`o . Ti�t���^� <br />May 2, 1983 <br />Mr. Dan Mathews, Reclamation Specialist <br />Mired land Reclamation Division <br />423 Centenrial Building <br />1317 Sherman Street <br />Denver, CO 80203 <br />Dear ,Mr. Mathews: <br />The following information and plans are submitted to .cr~ply with <br />Stipulation No. 1 included in Colowyo's Mining Permit No. C -319-Q1. <br />Enclosed is a surface water monitoring and well monitoring loca_'^-1 map, <br />Water Monitoring Sites For Permit No. C-019-81 (Mao 37). <br />As stated during the applica:icn process, Colowyo will sibmit to <br />the M.-.R.C. an annual report containing all of the data obtaine1 from <br />these and all other required monitor;na and sarroling programs. The first <br />annual report will be for the period January 1, 1983 th-ouch December 31, <br />1983 and will be submitted by April 1, 1984. <br />Water Monitoring Plan <br />The following plan is submitted to satisfy Stipulatio-t '0. 1 and <br />also includes the complete Surface 'dater Monitoring Pian. <br />1. Sediment Ponds - There are currently three existing sedgy--ent <br />pontis, wit.'i valid N.P.D.E.S. Permits, contril ling runoff From <br />disturbed areas at the mine and loadout site. A fourth gond <br />planned to be constructed and is shown as Pt. 004 on dat.r <br />Monitoring Sites For Permit :o. C-019-81 (Mau 37). A cccy of <br />Coiowyo's N.P.D.E.S. Permit 3o. CO -0032932 is enclosed. <br />Following is a list of N.P.O.E.S. samoiing requirements d:rrinq <br />periods of discharge. <br />Weekly Samolina For: <br />a. Flow <br />b. PH (Field; <br />C. Conductivity (Field) <br />d. Temperature <br />e. Oil and Grease (visual) <br />''c^.thly Sam:)lina =ar: <br />F i C:v <br />b. PH (leo & . ,"e'd;' <br />Rule 4 Performance Standards 4-17 Revision Date: 8/28/17 <br />Revision No.: TR -115 <br />