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Submission Note <br />If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type. <br />Edit Check Errors <br />No errors. <br />Comments <br />Based on the enclosed information on precipitation events preceding the discharge of 05/10/16, we request determination that the alternate limitations for "less than or equal to the 10-year, 24-hour precipitation event" apply to the discharge at this location, per I.A 1 and I.A 2 of the permit. The facility <br />experienced precipitation between 0.46 and 0.80 inches (measurable precipitation) for the 24-48 hours prior, as recorded on the enclosed weather report. No mine waters are discharged to this pond, resulting in stormwater runoff loading only. Therefore, the TSS and Total Iron effluent limits do not apply to <br />the discharge on 05/10/16, rather the Settleable Solids limit of 0.5 mL/L should apply. The 05/10/16 sample from this location contained a TSS of 8 mg/L and Total Iron of 1.57 mg/L. <br />Attachments <br />Name Type Size <br />Colowyo_CO0045161_AltLimitsSupportData_precip_records.pdf pdf 9647 <br />Report Last Saved By <br />Colowyo Coal Co LP <br />User:kblunt@tristategt.org Date/Time:2016-07-25 16:13 (Time Zone: -06:00) <br />Name:Kurtis Blunt <br />E-Mail:kblunt@tristategt.org