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PERMITTEE NAME/ADDRESS (Include Facility Name/Location if Different) 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 Kara, GM NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) 000000221 006-A PERMIT NUMBER DISCHAR GE NUMBER MONITORING PERIOD MM /DD/YYYY MMlDD/YYYY 10/01/2014 1 1 1213142014 Form Approved OMB No. 2040 -0004 DMR Mailing ZIP CODE: 86001 MAJOR ROUTT DSCHG TO TRIB /DRY CREEK External Outfall No Discharge 0 COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) SETTLEABLE SOLIDS LIMITS & FINALTR IRON LIMITS WAIVED FOR >10YR,24HRPRECIP EVENT SUBJECT OF BURDEN OFPROOF IN I.A.3. OIL & GREASE- SEE I.B.1.X. TDS MONITORING- I.B.2. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 0128/2014 Page 1 k5 QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE PARAMETER EX OF ANALYSIS TYPE VALUE 1 VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT NNN rr «•• rNrN • O rrr "rr •' ! V 2 0040010 PERMIT •'N "` N «« .•r «` 6.5 • «• ** 9 SU Monthly INSITU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Solids, settleable SAMPLE MEASUREMENT "••'•' ' «••• '••••• *'•••• � 0 , � <0.14 Q 1q0 0054510 PERMIT •'•••• "• «•• ••••« •'• «• Req. Mon. .5 mUL Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Iron, total recoverable SAMPLE MEASUREMENT *•• "•• •••••• "••'• •••••• G.0 6 3A6 gra6 0098010 PERMIT *•rNr NNrr NNN *•••« 1000 Req. Mon. ug/L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Manganese, potentially dissolvd SAMPLE MEASUREMENT • "'•" ••'••• " «•• ••••" j `. 1A 0131910 PERMIT • « «* 'rN *• ' «.•. N * *« Req. Mon. Req. Mon. ug/L Quarterly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Selenium, potentially dissolvd SAMPLE MEASUREMENT • * *••- *•*•« ' «••• ` *NN 0. O . G M6 0132310 PERMIT •N «' •• " «• «•••• N «•` 4.6 Req. Mon. ug /L Monthly GRAB Effluent Gross REQUIREMENT 30DA AVG DAILY MX Oil and grease SAMPLE MEASUREMENT •••••• *•••`• •N *'• «•••• * * *••• / V Q, + 0358210 PERMIT •"*•" ••••"• N.Nr NNN +*••*+ 10 mg/L Contingent GRAB Effluent Gross REQUIREMENT INST MAX Flow, in conduit or thru treatment plat SAMPLE MEASUREMENT $ Q O.OF,�$ ••• *•' " *• "• N «" N, «• O qo 5005010 PERMIT Req. Mon. Req. Mon. MGD '• «" ' " " "« "N "' NNN Monthly INSTAN Effluent Gross REQUIREMENT 30DA AVG DAILY MX COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) SETTLEABLE SOLIDS LIMITS & FINALTR IRON LIMITS WAIVED FOR >10YR,24HRPRECIP EVENT SUBJECT OF BURDEN OFPROOF IN I.A.3. OIL & GREASE- SEE I.B.1.X. TDS MONITORING- I.B.2. EPA Form 3320 -1 (Rev.01106) Previous editions may be used. 0128/2014 Page 1 k5