2010-09-01_HYDROLOGY - C1982056 (2)

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PERMITTEE NAMEIADDRESS (includes Facility Name/Location if Different) NAME TWENTYMILE COAL COMPANY ADDRESS MINES 1,20 SOUTH, & ECKMAN PK 29515 RCR #27 FACILITY LOCATION OAK CREEK, CO 80467 ATTN: Mr. Jerry Nettleton, Environmental Supervisor NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR DISCHARGE MONITORING REPORT (DMR) (SUBR JC) F - FINAL ROUTT MINE 1, POND G TO FOIDEL CREEK 000027154 008 A =1 Check here if No Discharge PERMIT NUMBER DISCHARGE NUMBER NOTE: Read Instructions before completing this form MONITORING PERIOD YEAR MO DAY YEAR MO DAY 10 07 01 TO 10 07 31 QUANTITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE PARAMETER NO. OF TYPE AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS pH SAMPLE ***+«« «+++++ ** **** (12) MEASUREMENT 8.7 8,7 0 1/7 Insltu 00400 1 0 0 PERMIT ++*«++ ++++++ +++,«« 6.5 ++ ++++ 9 SU EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM . WEEKLY INSITU - SOLIDS, TOTAL SAMPLE ***"' *""*" ****** (19) SUSPENDED MEASUREMENT < 5 < 5 0 1f7 Grab 00530 1 0.0 PERMIT *'*`** *****' "*"*'* * 35 70 MG/L EFFLUENT GROSS VALUE REQUIREMENT 30DA AV,G DAILY MAX WEEKLY GRAB SOLIDS, TOTAL SAMPLE '*"**" *'*'** ****** (19) SUSPENDED MEASUREMENT NA NA NA NA NA 00530 O 0 0 PERMIT Req, Mon req.'Mon. MG/L SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB SOLIDS, SETTLEABLE SAMPLE """ `**'** '****" (25) MEASUREMENT < 0.1 < 0.1 0 1/7 Grab 00545 1 0 0 PERMIT Req, Mon 0.5 ML/L/hr EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX WEEKLY GRAB SOLIDS, SETTLEABLE SAMPLE ***"* *****" ****** MEASUREMENT NA NA NA NA NA 00545 0 0 0 PERMIT ++++++ ++,+++ «++++, ++++«+ Recj, Mon Req. Mon. ML/Uhr SEE COMMENTS BELOW REQUIREMENT 30 DAY AVG DAILY MX WEEKLY GRAB IRON, TOTAL SAMPLE `***** ""*"' **"** (AS FE) MEASUREMENT 40 40 (19) 0 1/7 Grab 01045 1 0 0 PERMIT 3500 7000 UG/L EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX WEEKLY GRAB IRON, TOTAL SAMPLE (19) (AS FE) MEASUREMENT NA NA NA NA NA 01045 0 0 0 PERMIT ++*+++ ++++++ ++++,+ «+«+++ Req, Mon Req. Mon. UG/L SEE COMMENTS BELOW REQUIREMENT 30DA AVG DAILY MX WEEKLY GRAB NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under TELEPHONE DATE my direction or supervision in accordance with a system designed to assure that qualified Brian A. Watterson, P.G. personnel properly gather and evaluate the information submitted. Based on my inquiry of 970 870 - 2750 Geologist the erson or ersons who mana e th stem s th di tl ib GV p p g e y , or ose persons rec y respons le for SIGNATURE OF PRINCIPAL J gathering the information, the information submitted is, to the best of my knowledge and belief, OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR MO DAY true, accurate, and complete. I am aware that there are significant penalties for submitting TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations. vvrv -- I v -1- - 1-1- 1- v, -, v iv?/"? ? IvI VJ (nol--u all GlltlG/Il IIC/IW rltir C) ALTERNATE LIMITS FOR TSS & SETTLEABLE SOLIDS (LOC'O') APPLY ONLY IF <= 10=YR,24-HR PRECIP EVENT CLAIMED. SEE PART I.AA., PG. 8 FOR BURDEN OF PROOF REQUIREMENTS. OIL & GREASE - SEE 1.BA.D, PG. 11. EPA Form 3320-1 (REV 3/99) Previous editions may be used PAGE 1 OF 2 00273/010320-1132