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COLOR• DISCHARGE PERMIT SYSTEM (CDP~ <br /> <br />AMENDMENT NO. I <br />HENDRICKS MINING CO., INC. <br />CROSS GOLD M/NE <br />CDPS PERM/T NUMBER CO-0032751, BOULDER COUNTY <br />I. <br />TYPE OF PERl19T <br />Amendment <br />FACII]7YINFORMA77ON <br />II. <br />A. Facility Type: <br />Fee Category: <br />Category Flow Range: <br />Annual Fee: <br />B. SIC Code: <br />C. Legal and Facility Camact: <br />D. Facility Location: <br />E. Discharge Points: <br />Hardrock Mining: Mint Dewatering <br />Category 3, Subcategory 2 <br />50,000 up to 999,999 gallons per day <br />$992 per CRS 25-8-502 <br />1041 (Metal Mining: Gold Ores) <br />Thomas S. Hendricks, General Manager <br />P. O. Box 653 -Caribou <br />Nederland, CO 80466-0653 <br />(3000 North 63rd Street, Boulder, CO 80301 J <br />(303)+443-1502 (Boulder) (303)+258-3806 (Mine) <br />SW 1/4 of the NW 1/4 of Section 9, T IS, R 73W, 6th P.M'., just southeast of <br />Caribou and approximately 4 miles northwest of Nederland, Colorado (or 4.5 <br />miles up County Road 128 -Caribou Road) <br />OOlA, following jihration and prior to discharging into wu'lands that are <br />tributary to Coon Track Creek, which is tributary to North Beaver Creek and <br />then to Middle Boulder Creek <br />PURPOSE FOR AMENDMENT <br />III <br />During a recent review of the permit by Division staff, it was noted that several items should be modhed In order <br />ra make the permit consistent with current regulations and policies. These changes are: <br />1J revise the reporting provisions to require that Discharge Monitoring Reports (DMR'sJ be re,°eived by the <br />Division no later than the 28th day ojthe month immediately following the month for which the DMR is being <br />submined, instead of requiring that the DA92's be postmarked by the 28th, <br />2J change e11luent limits and monitoring conditions for mercury ro spec fy that the total methoc! of analysis be <br />used instead of the potentially dissolved method, <br />3J update all conditions related to Whole EjJluem Toxicity to be consistent with currem Division policies. <br />The change related to the DMR submittal deadline will be made to page If, and changes related to the analysis of <br />mercury will be made to pages ld and If. <br />For Whole Ejfluem Toxicity, the following rationale will explain what revised conditions will be placed in the <br />permit thru the amendment of pages Ib and if thru Im <br />