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000 <br />April 27, 2001 <br />Ms. Carla Lenkey <br />Colorado Department of Public Health and Environment <br />Water Quality Control Division -Permits and Enforcement <br />4300 Cherry Creek Drive South <br />Denver. CO 80222-1530 <br />RE: PERMIT CO-0027154: MARCH 2001 DMR SUBMITTAL <br />Dear Ms. Lenkey: <br />RECEIVED <br />MAY 02 2001 <br />III IIIIIIIIIIIII III <br />Division of Minerals 8 GeoloOY <br />Please find enclosed the above referenced discharge monitoring report for the period March 1, 2001 through <br />March 31, 2001. Ponds A (Outfall 001), T (Outfall 002), B (Outfall 003), D (Outfall 005), E (Outfall 006), F (Oudall 007), <br />and H (Outfall 009) discharged during this period. However, Ponds T and H only discharged the last week of This period. <br />Pond F has 1 sample to report for Total Suspended Solids, Iron, Silver, Copper, and Cadmium because Pond F started <br />discharging 3/29/01. No permit limitation exceedences occurred during this month. <br />Ouartedy Whole Effluent Toxicity (WET) tests were conducted the week of March 26, 2001. Outfalls 001, 005 and 007 <br />passed for both species, with "Concentrations with Statistically significant Difference in Lethality" reported at >100%. <br />Copies of the CDPS WET Test Report Forms for these tests are included with this submittal. <br />Outfalls 001, 005 and 007 are being tested for Hardness in addition to the required parameters, however, as noted below, <br />007 did not discharge and was omitted for this period. Copies of those results are included in this submittal. <br />Ouffalls 004, and 006 did not discharge; and therefore have no chemical or toxicological tests during this period. Outfall <br />020 has not been constructed yet: therefore there is no discharge to enable chemical or toxicological testing to date. <br />Outfalls 010, 016 and 017 have been eliminated from this permit. In order to reduce the amount of paper work, the <br />following certification will be substituted for the actual DMR forms to cover the outfalls which did not discharge. <br />CERTIFICATION <br />I certify under penalty o/law that I have personally examined and am /amiliar with the in/ormation submitted herein; one <br />based on my inquiry of those individuals responsible for obtaining the in/ormation, I believe the submitted in/ormation is <br />true, accurate, and complete. 1 am aware that there are signiiicant penalties for submitting false information, including the <br />possibility o! tine and imp/~onment. See 18 U.S.C. § 1001 and 33 U.S.C. § 1319. (Penalties under these statutes may <br />include fines up to $10,0,0,0 andior maximum impriso7rment o1 between 6 months and 5 years.) <br />$~ ~~ 7 0 / <br />Date <br />Please contact me at (970) 870-2709 i} you have any questions or require additional information. <br />Twe ~ mile Coal C~pony <br />~ ~ 1/~~~~ <br />ary chart P.E. <br />Manager Technical Services <br />Twentymile Coal Company <br />29515 Routt County Road 1i 27 <br />Oak Creek, Colorado 80467 <br />(970)879-3800 <br />enclosures <br />cc: DMG <br />CWPS Permit No. CO-0027154 file <br />