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PERMITTEE NAME/ADDRESS (Include Facility Name/Location itDifterent) NAME: Seneca Coal Co LLC ADDRESS: PO Box 670 Hayden, CO 81639 -0670 FACILITY: SENECA MINE COMPLEX LOCATION: 37766 RCR 53 HAYDEN, CO 81639 ATTN: Roy Karo, GM NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) 000000221 008 -A PERMIT NUMBER I DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD/YYYY 07/01/2014::] 09/30/2014 Form Approved , OMB No. 2040 -0004 DMR Mailing ZIP CODE: 86001 MAJOR ROUTT DSCHG TO TRIB /FISH CREEK External Oulfall No Discharge COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) SETTLEABLE SOLIDS LIMITS WAIVED FOR >10YR,24HR PRECIP EVENT SUBJECT TO BURDEN OF PROOF IN I.A.3. OIL &GREASE - SEE LBA X. TDS MONITORING - I.B.2. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 03/28/2014 Page 1 4 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE MEASUREMENT ...... ...... ...... ... -., + CU v 0040010 Effluent Gross PERMIT REQUIREMENT '* "•• . "••• "'•'• 6.5 MINIMUM "'•" 9 MAXIMUM SU Monthly IAN, 3(ITU Solids, settleable SAMPLE MEASUREMENT •••• *' • *• « *« • -•• «• -• -••• 40-q 1-0.q G 31q 0 mb 0054510 Effluent Gross PERMIT REQUIREMENT " *••' '• *• ** •• "'• "'• *• Req. Mon. 30DA AVG .5 DAILY MX mUL Monthly GRAB Iron, total recoverable SAMPLE MEASUREMENT ' °••• * ~ *` *- •• -••• • *•• «• j9 .0 I q.0 O /q6 C ab 009801 0 Effluent Gross PERMIT REQUIREMENT «•••• •• *••• • "••• • "••' 10100 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Manganese, potentially dissolvd SAMPLE MEASUREMENT ••' "•` « «•••• •• *• *• •••••• t/� �` V ' Ro � PERMIT REQUIREMENT *" "* •' "• "' •••• *' '•` "'• Req.. Mon. QRTR AVG Req. Mon. DAILY MX ug /L Quarterly GRAB 013191 0 Effluent Gross Selenium, potentially dissolvd SAMPLE MEASUREMENT * " "• *••• *• •'• *•• * «• * ** 0.70 1 J�Q O . JV p ; q6 G.rn,b 01323 1 0 Effluent Gross PERMIT REQUIREMENT ••'••' •'• "' ` * *'•~ ~' *•" Req. Mon. 30DA AVG Req. Mon. DAILY MX ug /L Monthly GRAB Oil and grease SAMPLE MEASUREMENT •••• *" *••`•• " *'•' - - -• -• •• « *•- �/ A NIA v 0358210 Effluent Gross PERMIT REQUIREMENT " «'• •'•'•' •••••• *•'••• *• *• *• 10 INST MAX mg /L Contingent GRAB Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT ®• ; j Q 4 6 3 •• *••• •••• -« •• *••• «....• p 3 qo 500501 0 Effluent Gross PERMIT REQUIREMENT Req. Mon. 30DA AVG Req. Mon. DAILY MX MGD • *'••* •••'•' ••'•" •••••' Monthly INSTAN COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) SETTLEABLE SOLIDS LIMITS WAIVED FOR >10YR,24HR PRECIP EVENT SUBJECT TO BURDEN OF PROOF IN I.A.3. OIL &GREASE - SEE LBA X. TDS MONITORING - I.B.2. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 03/28/2014 Page 1 4