2011-06-01_HYDROLOGY - C1982056 (2)

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NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) PERM ITTEE NAME/ADDRESS (Include Facility Name/Location if Different) NAME: Twentymile Coal Company ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 FACILITY: MINES 18,2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 OAK CREEK, CO 80467 ATTN: JERRY NETTLETON, ENV SUPERVISR 000027154 003-A PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM/DD/YYYY MM/DD/YYYY FROM 04/01/2011 TO 3V2011 014 C f /?-I! ( I <141301.2r6 ( I Form Approved OMB No. 2040-0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND B TO FOIDEL CREEK External Outfall No Discharge PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENOY OF ANALYgis SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS pH SAMPLE MEASUREMENT --•««. .«.««. .....« e-0 S' ..«««« is^, s-- ! r2 / 4 0040010 PERMIT ««"«` 6.5 9 SU Effluent Gross REQUIREMENT MINIMUM MAXIMUM Weekly GRAB Solids, total suspended SAMPLE MEASUREMENT L !S S 3 Z U l Yc • i O 005301 0 PERMIT ««"" """ "" ` ****** 35 70 mg/L Effluent Gross REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Solids, total suspended SAMPLE ..«.«, ...... ,..„, ,««,«« MEASUREMENT NR AA- Al A/ 00530 O 0 PERMIT Req. Mon. Req. Mon. mg/L See Comments REQUIREMENT 30DA AVG DAILY MX Weekly GRAB Solids, settleable SAMPLE ••«.«. .*.««. ...,.« ..«... ? ?I, ?/ MEASUREMENT Q. ? y 00545 1 0 PERMIT Req. Mon. .5 mUL Effluent Gross REQUIREMENT 30DA AVG DAILY MX weekly GRAB Solids, settleable SAMPLE v 1 ?( 4 MEASUREMENT / k A + 1V 6 +f 1A 00545 0 0 PERMIT Req. Mon. Req. Mon. mUL See Comments REQUIREMENT 300A AVG DAILY MX Weekly GRAB Iron, total (as Fe) SAMPLE /267 S Z 6 MEASUREMENT - ?(g0 , /? 0104510 PERMIT 3500 7000 ug/L Effluent Gross REQUIREMENT 30DA AVG DAIL Y MX Weekly GRAB Iron, total (as Fe) SAMPLE MEASUREMENT ,.«««« ,••••• *•,,** **,«*, Npr • f 'V / rV A- A (.4- 0104500 PERMIT Req. Mon. Mon. Re ugfL See Comments REQUIREMENT 30 AVG Y MX weekly GRAB NAMEITITLE PRINCIPAL EXECUTIVE OFFICER Icc_ui.nder penalty oflaw that this document and all attachments a prepared undermydirecdonor supervrstoninaccordancewithasysemdesignedtoassurethatqualifiedpersotmelpmpe ygatherand TELEPHONE DATE G? (1 f C valuate the infose rmmtion submitted. Based on my inquiry of the person or person who manage the tho pe son directly responsible for ga hering the information, he information submitted is, to thbeg of my knowledge and belief, true, accurate, and complete. lam aware that there are significant "y- l' - ?ZQ ?'? a L?f e? 1 d S 'µ'J ZQ "5 Y(Gt /? a. (? /S 0 r1 110 ni s for pesubmitting false information, including the possibility of fine and imprisonment for knowing violations. SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR [.•? TYPED OR PRINTED AUTHORIZED AGENT AREA code NUMBER MM/bD/YYYY l.V1Y1MC1Y j ,'.j Arvv CAI- IPk"M t 1- Vr - a V-1-t I -- k-tsF V11U%s 011 dLLdcrll"e"ks "ere/ ALTERNATE LIMITS FOR TSS & IRON (MLOC=O) APPLY IF 10YR,24HR PRECIP. EVENT CLAIMED. ALTERNATE LIMITS FORSETTLEABLE SOLIDS (MLOC=O) APPLY ONLY IF >10YR,24HR PRECIP EVENT CLAIMED, OIL & GREASE - SEE I.C.19,PAGE 16. EPA Form 3320.1 (Rev.01/06) Previous editions may be used. 03/3112011 Page 1