2011-06-30_HYDROLOGY - C1982056 (2)

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PARAMETER I certify under penalty of law that this document and all attachments were prepared under my direction or sup ervisionin accordance with asystem designed to assure that qualified personnel properly gather and lua[e the f rm tion submitted. Based on my inquiry of [hc person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of m y k nowledge and belief, true, accurate, and complete. l am aware that are significant penalties rsubminingfalseinformation, indudingt hepossibility offineandimprisonmentforknowing QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TypE VALUE VALUE UNITS VALUE VALUE VALUE UNITS p H 0040010 Effluent Gross MEASUREMENT *„ ,,,,,« I7 �^ t � f! '[ fl V f ��, .,,,, , .,,.« PERMIT REQUIREMENT « « * "" " * " *** * " " «` 6.5 MINIMUM * * * *`* 9 MAXIMUM SU Weekly GRAB Solids, total suspended 0053010 Effluent Gross SAMPLE MEASUREMENT * *, * ** « *** ** * * * * ** e. ` / v .,j l0 ( }( jj( GRAB « «. «., PERMIT REQUIREMENT * "` *« * * * * *, •** * *` 35 30DA AVG 70 DAILY MX mg /L Weekly , Solids, total suspended 00530 0 0 See Comments SAMPLE MEASUREMENT / - 414 Alt- '4 4 f 4 GRAB * * * * ** PERMIT REQUIREMENT • « « « «* . « «,.« * * * * ** * * * * ** Req. AVG Req. MX mg /L Weekly Solids, settleable 00545 1 0 Effluent Gross SAMPLE MEASUREMENT * * * * ** , ** * *« , « «,. « ZO , ( t 0 ,r ( 0 , `? . « *, * PERMIT REQUIREMENT ` «` * ** *` *" Req. Mon. 30DA AVG .5 DAILY MX mUL Weekly , GRAB Solids, settleable 00545 0 0 See Comments SAMPLE MEASUREMENT * * *, ** , * * *.« ** ** ** � � ar- N /v4 A7A ' /� 444 * *,,,, PERMIT REQUIREMENT « { « *i * « * *« ' Req. Mon. Req. MMX mUL Weekly GRAB I ron, total (as Fe) 01045 1 0 Effluent Gross SAMPLE MEASUREMENT * *, * ** * * * * ** 2 its ' G� }, -j * * * * ** „, * ** PERMIT REQUIREMENT * * * * ** * * * * ** * * * * ** * * * * ** 3500 30DA AVG 7000 X DAILY MX ug /L We ekly GRAB Iron, total (as Fe) 01045 0 0 See Comments SAMPLE MEASUREMENT * * * *;* * * * * ** * * * * ** * * * * ** /�r�- 4,4 .. !! 'Vfj. AM PERMIT REQUIREMENT * * * * ** „ * * «* 30DA AVG DAILY MX ug /L Weekly 1 GRAB NAME/TITLE PRINCIPAL EXECUTIVE OFFICE I certify under penalty of law that this document and all attachments were prepared under my direction or sup ervisionin accordance with asystem designed to assure that qualified personnel properly gather and lua[e the f rm tion submitted. Based on my inquiry of [hc person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of m y k nowledge and belief, true, accurate, and complete. l am aware that are significant penalties rsubminingfalseinformation, indudingt hepossibility offineandimprisonmentforknowing S� 'f f ..\' f� �" j„ TELEPHONE DATE j? f 1 "� �' 1--. / 4 ,.. e rft r e rC ..'—y� -1 � 6 GAS 6/0/2C � MM /DD/YYYY S IGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR AUTHORIZED AGENT AREA Code NUMBER TYPED OR PRINTED PERMITTEE NAME /ADDRESS (Include Facility Name /Location if Different) NAME: Twentymile Coal Company ADDRESS: 29515 Routt CR 27 Oak Creek, CO 80467 MINES 1 &2 AND ECKMAN PARK MINE 29515 RCR #27 OAK CREEK, CO 80467 FACILITY: LOCATION: ATTN: JERRY NETTLETON, ENV SUPERVISR EPA Form 3320 -1 (Rev.01 /06) Previous editions may be used. NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) FROM 000027154 PERMIT NUMBER 008 -A DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY 05/01/2011 MM /DD/YYYY 05/31/2011 TO DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) ROUTT MINE 1, POND G TO FOIDEL CREEK External Outfall Form Approved OMB No. 2040 -0004 No Discharge COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) ALTERNATE LIMITS FOR TSS (MLOC =O) APPLY IF 10YR,24HR PRECIP EVENT CLAIMED. ALTERNATE LIMITS FOR IRON &SETTLEABLE SOLIDS (MLOC =O) APPLY ONLY IF <= 10YR,24HR PRECIP. EVENT CLAIMED. OIL & GREASE - SEE I.C.19,PAGE 16. 03/31/2011 Page 1