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PERMITTEE NAME/ADDRESS(Include FacdityName/LocatonffDfHerent) 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: Scott Cowman/Sr Env Specialist NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00000221 008-A PERMIT NUMBER I I DISCHARGE NUMBER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY 07/01/2015 1 09/30/2015 �Ic=(e«-C�oS Form Approved OMB No 2040-0004 DMR Mailing ZIP CODE: 81639 MAJOR ROUTT DSCHG TO TRIB/FISH CREEK External Outfall No Discharge E] PARAMETER I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance mm a system designed to assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my kno Medge and belief true, accurate and complete I am aware that there are significant penallies for submitting false information including the possibility of fine and imprisonment for knowng violations QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pHSAMPLE MEASUREMENT *..... ..*... ...""* *.**.* l L4 U I PERMIT REQUIREMENT ****"* *"**** *"**** 6.5 MINIMUM ** **" 9 MAXIMUM SU Monthly INSITU 004001 0 Effluent Gross Solids, settleable SAMPLE MEASUREMENT G , `� C', �M L/ L t, 005451 0 Effluent Gross PERMIT REQUIREMENT ****** ""*`*» *"**** *»*'»» Req. Mon. 30DA AVG .5 DAILY MX mUL Monthly GRAB Iron, total recoverable SAMPLE MEASUREMENT ****** ..*•*, , 4G iG /L U I/ j� �=% �• I� 009801 0 PERMIT *'**'* '»***» ""*"* »""""* 1000 Req. Mon. ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Manganese, potentially dlssolvd SAMPLE MEASUREMENT 1,17 WlIll bi C, 013191 0 Effluent Gross PERMIT REQUIREMENT **'*"" "**'*' "*'*"' '"*'»` Req. Mon. QRTR AVG Req. Mon. DAILY MX ug/L Quarterly GRAB Selenium, potentially dissolvd SAMPLE.^' MEASUREMENT ; (2, ci 0 30 G 013231 0 Effluent Gross PERMIT REQUIREMENT ****** *"`*' ***»** `**'** Req. Mon. 30DA AVG Req. Mon. DAILY MX ug/L Monthly GRAB Oil and grease SAMPLE MEASUREMENT /U 0358210 Effluent Gross PERMIT REQUIREMENT ****** **"»** *"*"'* "**** »*""** 10 INST MAX mg/L Contingent GRAB Flow, in conduit or thru treatment plant SAMPLE MEASUREMENT (,* C t !t/) '1 1 U '/30 1,A)�) PERMIT Req. Mon. Req. Mon. MGD »""»"" "*'*"' """"' "'*`"' Monthly I INSTAN 500501 0 Effluent Gross REQUIREMENT 30DA AVG DAILY MX NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance mm a system designed to assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my kno Medge and belief true, accurate and complete I am aware that there are significant penallies for submitting false information including the possibility of fine and imprisonment for knowng violations TELEPHONE DATE r f +,,, - -• 7— �k 7 / SIGNATURE OF P INCIPAL EXECUTIVE OFFICER OR 'AUTHORIZED AGENT TYPED OR PRINTED AREA Code NUMBER MMIDD/YYYY 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 1.6.1.X. TDS MONITORING - I.B.2. EPA Form 3320-1 (Rev.01/06) Previous editions may be used. 04/20/2015 Page 1