2013-07-19_HYDROLOGY - C1981022 - Laserfiche WebLink

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PERMITTEE NAME/ADDRESS (Include Facility Name Location if Different) NAME: Oxbow Mining LLC ADDRESS. PO Box 535 Somerset, CO 81434 FACILITY: ELK CREEK MINE LOCATION: 3737 HWY 133 SOMERSET, CO 81434 ATTN. Mike Ludlow, Exec VP NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) COG850064 1 1 015-X PERMIT NUMBER DISCHARGE—NUMBER MONITORING PERIOD MWDD/YYYY MWDD/YYYY 04/16/2013 06/30 /2013 Form Approved OMB No 2040 -0004 DMR Mailing LP CODE: 81434 MINOR Chronic WET Testing for 015B External Outfall No Discharge NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I ce" under penalty of law that this document and all attachments were prepared under my direction or QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS Toxicity [chronic], Cerodaphnia dubi SAMPLE MEASUREMENT I „J TYPED OR PRINTED _ S b NUMBER MM7D G�� I 6i f",'� 61426 P 0 PERMIT " * "•" « * *•" "`*" Req. Mon. """ " "`" tox chronic Quarterly GRAB -3 See Comments REQUIREMENT SINGSAMP Toxicity [chronic], Cenodaphnia dubi i SAMPLE MEASUREMENT •' "' "* •,• « "• * * * «.. u / * •.•• ** «... *. ) /!t tSKI.' 61426 S 0 PERMIT «•• :•• "" " "" ' :' "" Req. Mon. "`•'• " "•' tox chronic Quarterly GRAB -3 See Comments REQUIREMENT SINGSAMP Toxicity (chronic), Pimephales promelas (Fathead Minnow) SAMPLE MEASUREMENT •• * * «* * * «••* «• "••• ; G L ••**•• «••'• � /c G. i /C` 6 I�l3t� 61428 P 0 PERMIT " "" '*'•'* " " «'• Req. Mon. """ "•••• tox chronic Quarterly GRAB -3 See Comments REQUIREMENT SINGSAMP Toxicity (chronic), Pimephales promelas (Fathead Minnow) SAMPLE MEASUREMENT "' "` *" ' "'•'" " " "' } / ' `•"" "' "` "` / u/v 61428 S 0 PERMIT •'• * "' " * « "•• •• "•' Req. Mon. '"` "" "" tox chronic Quarterly GRAB -3 See Comments REQUIREMENT SINGSAMP %Effect Static Renewal 7 Day Chron Cenodaphnia dubia c SAMPLE MEASUREMENT " "• "• " *• " "" •'•' "* ' *` " "` •• " "" , . PERMIT '•••'• " "••• «••'•' Req. Mon. "' "" " " "'" % Quarterly GRAB -3 TCP3B P 0 See Comments REQUIREMENT SINGSAMP %Effect Static Renewal 7 Day Chron Ceriodaphrna dubia c SAMPLE MEASUREMENT ••• "•" '• " "" "•' :• _ S�7 5 * *• "`" »•••' � i % / TCP313 S 0 PERMIT •• * "« ' *•••" '• "" Req. Mon. »• "" """' % Quarterly GRAB -3 See Comments REQUIREMENT MN VALUE %Effect Static Renewal 7 Day Chron Cenodaphnia dubia c SAMPLE MEASUREMENT '•••" • "• "~ " "'« """• "' "• *" a ,) PERMIT " "•« '•• " "« • " "` 100 " "" " "'" % Quarterly GRAB -3 TCP313 T 0 See Comments REQUIREMENT MN VALUE I NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I ce" under penalty of law that this document and all attachments were prepared under my direction or TELEPHONE DATE supervis— in accordance with a system designed to assure that quabfwd personnel property gather and aluate the information submitted Based on my inquiry of the person or persons who manage the system, or those pereoru directly responsible for gathering the information the information submitted is, to the best of my Inow/edpe and belief true accurate, and complete I am aware that there are ('x _ ?ZJ C7& / 7 OV �v signdicant penalties for subm, MV take information, including the possibdM1y of fine and imprisonment for nO "n'g V10� omit �' SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT I „J TYPED OR PRINTED a+� t:ode NUMBER MM7D COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) Rpt lowest % at which statistically signif cliff between test & control using test code "S ". Rpt IC25 using test code "P ". Use test code rT" to report highest % reported between IC25 and statistically signif cliff for ceriodaphnia and pimephales. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 05/30/2013 Page 1