2012-08-30_HYDROLOGY - C1994082 (2)

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PARAMETER I certify enact penalty °flow dint nos document and all attachments was prepared under my direc11On or supervisionnhaccordancewith as ystemdesignedtoass uret hat qualifiedpersonnelppoperlygatherend valuate the mfonnatmn submittal 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 Ike best of my knowledge and belief, true, emirate, end complete I am aware that there ore st nificnnl pen testor subtmlongfalse infonnnbon, including the possibdrtyof fine and imprisonment for.****g eta QUANTITY OR LOADING QUALITY OR CONCENTRATION O. EX FREQUENCY ANALYSIS SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH 0040010 Effluent Gross SAMPLE MEASUREMENT *,,,• ,•*,,, PERMIT REQUIREMENT * * * * ** •* *• ** * •,••• 6.5 MINIMUM * * * * ** 9 MAXIMUM SU Monthly INSITU Solids, settleable 00545 1 0 Effluent Gross SAMPLE MEASUREMENT * * * •** * •* * *, PERMIT REQUIREMENT •*••** Req. Mon. 30DA AVG 5 DAILY MX mL/L Monthly GRAB Iron, total recoverable 00980 1 0 Effluent Gross SAMPLE MEASUREMENT PERMIT REQUIREMENT * * * * ** * * * * ** * * * * ** 1000 30DA AVG Req. Mon. DAILY MX mg /L Monthly GRAB OiI and grease 0358210 Effluent Gross SAMPLE MEASUREMENT * * * **• * * *,,, , *, **, PERMIT REQUIREMENT * * * * ** * * * * ** * * * * ** * * * * ** * * * * ** 10 INST MAX mg /L Contingent GRAB Flow, in conduit or thru treatment plant 50050 1 0 Effluent Gross SAMPLE MEASUREMENT * * * * ** PERMIT REQUIREMENT Req. Mon. 30DA AVG Req. Mon. DAILY MX MGD *•, * ** * * *•** •* * * ** *, * * •• Monthly INSTAN Solids, total dissolved 70295 1 0 Effluent Gross SAMPLE MEASUREMENT * * * * ** * * * * ** PERMIT REQUIREMENT * * * * *• * * * * ** * * * * ** Req. Mon. QRTR AVG Req. Mon. DAILY MX mg /L Quarterly GRAB OiI and grease visual 84066 1 0 Effluent Gross SAMPLE MEASUREMENT PERMIT REQUIREMENT * * * * ** Req. Mon. INST MAX Y =1;N =0 Monthly VISUAL NAMElf ITLEPRINCIPALEXECUTIVEOFFICER I certify enact penalty °flow dint nos document and all attachments was prepared under my direc11On or supervisionnhaccordancewith as ystemdesignedtoass uret hat qualifiedpersonnelppoperlygatherend valuate the mfonnatmn submittal 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 Ike best of my knowledge and belief, true, emirate, end complete I am aware that there ore st nificnnl pen testor subtmlongfalse infonnnbon, including the possibdrtyof fine and imprisonment for.****g eta t / / ■� TELEPHONE DATE �� ,� 1 -Z 1 IJ1 nnIs JOI I ;S st 1 SIG NATUR OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code I NUMBER MM /DD/YYYY i,,,In PERMITTEE NAME /ADDRESS (Include Facility Name/Location if Different) NAME: Seneca Coal Co LLC ADDRESS: PO Box 670 Hayden, CO 81639 FACILITY: SENECA MINE COMPLEX LOCATION: 37766 RCR 53 HAYDEN, CO 81639 ATTN: Roy Karo, Rec Mgr EPA Form 3320 (Rev.01 /06) Previous editions may be used. NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) FROM COMMENTS ICIVD ERPLANAT OF ANY VIOLATIONS (Reference all attachments here) C00000221 PERMIT NUMBER 011 -A DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY 04/01/2012 MM /DD/YYYY 06/30/2012 TO SETTLEABLE SOLIDS LIMITS WAIVED FOR >10YR,24HR PRECIP EVENT SUBJECT TO BURDEN OF PROOF IN I.A.2. OIL &GREASE - SEE I.B.1.X. TDS MONITORING - I.B.2. De n t=_ tr;fl ILIaP �I(tl�. t c. � rQl o ( 7y � ) r 21h DMR Mailing ZIP CODE: 81639 MAJOR (SUBR JC) ROUTT DSCHG TO GRASSY CREEK External Outrall 01/23/2012 Form Approved OMB No. 2040 -0004 No Discharge Page 1