2013-05-06_HYDROLOGY - C1982056 (5)

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PERMITTEE NAME /ADDRESS (includes Facility Name /Location if Different) NAME TWENTYMILE COAL COMPANY ADDRESS MINES 1,2 0 SOUTH, & ECKMAN PK 29515 RCR #27 FACILITY LOCATION OAK CREEK, CO 80467 ATTN: Mr. Jerry Nettleton, Env. Manager NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MINOR DISCHARGE MONITORING REPORT (DMR) (SUBR JC) F - FINAL ROUTT SAMPLE POND DISCHARGE TO FISH CREEK C00042161 001 A =1 Check here if No Discharge PERMIT NUMBER DISCHARGE NUMBER NOTE: Read Instructions before completing this form MONITORING PERIOD YEAR MO DAY I I YEAR MO DAY 13 01 01 1 TO 1 13 01 31 COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE I B 1 (D) DETECTION LIMITS - SEE I E 3 SALINITY MONITORING - SEE I B 2 QUARTERLY SAMPLING INSTRUCTIONS I C 9, REPORT RESULTS ON MARCH, JUNE, SEPT, & DEC DMRS 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD REPORTED EPA Form 3320 -1 (REV 3/99) Previous editions may be used PAGE 1 OF 2 QUALITY OR LOADING QUALITY OR CONCENTRATION FREQUENCY SAMPLE PARAMETER NO. OF TYPE AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS EX ANALYSIS pHSAMPLE " " " "' ..... " "' (12) MEASUREMENT 00400 1 0 0 SU PERMIT "' "" ``' "' 6.5 " " "" 9.0 TWICE EFFLUENT GROSS VALUE REQUIREMENT MINIMUM MAXIMUM PER MO GRAB SOLIDS, TOTAL SAMPLE " * "" * " * " "" (19) SUSPENDED MEASUREMENT * * * * * ** 00530 1 0 0 "` ** MG /L PERMIT " "" " " "` """' 35 70 TWICE EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB SOLIDS, SETTLEABLE SAMPLE * * " "' " " * "* * * " * "* (25) MEASUREMENT 00545 1 0 0 "" MUL PERMIT " "" " "" "' " "' REPORT 0.5 TWICE EFFLUENT GROSS VALUE REQUIREMENT 30 DAY AVG DAILY MAX PER MO GRAB IRON SAMPLE * * * * *" * " *' *" (19) TOTAL RECOVERABLE MEASUREMENT * * * * ** 00980 P 0 0 "' ** UG /L PERMIT " "" " "'" " " " ""° REPORT Report See Comments Below REQUIREMENT ROLL AVG DAILY MAX CONTINGENT GRAB IRON SAMPLE * " * "' " " *' (19) TOTAL RECOVERABLE MEASUREMENT * * * * * ** 00980 1 0 0 * " *'* I PERMIT * " "" " " "' " " "" 1047.0 REPORT TWICE EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MX PER MO GRAB OIL AND GREASE SAMPLE MEASUREMENT (19) 03582 1 0 0 * " " *" * " *" PERMIT " "" " "'" * " "* " "" 10 See Comments Below REQUIREMENT INST MAX MG /L CONTINGENT GRAB FLOW, IN CONDUIT OR SAMPLE (03) THRU TREATMENT PLANT MEASUREMENT H 50050 1 0 0 MGD "'* PERMIT 158 REPORT * " "` " " "` " "" WEEKLY Instan EFFLUENT GROSS VALUE REQUIREMENT 30DA AVG DAILY MAX I I I I NAME/TITLE PRINCIPAL EXECUTIVE OFFICER - I Certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified TELEPHONE DATE Brian A. Watterson, P.G. Geologist personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for ��(( 970 870-2750 SIGNATURE OF PRINCIPAL AREA CODE NUMBER YEAR MO DAY gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete I am aware that there are significant penalties for submitting OFFICER OR AUTHORIZED AGENT TYPE OR PRINTED false information, including the possibility of fine and imprisonment for knowing violations COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE I B 1 (D) DETECTION LIMITS - SEE I E 3 SALINITY MONITORING - SEE I B 2 QUARTERLY SAMPLING INSTRUCTIONS I C 9, REPORT RESULTS ON MARCH, JUNE, SEPT, & DEC DMRS 30 DAY AVG IS HIGHEST MONTHLY AVG DURING PERIOD REPORTED EPA Form 3320 -1 (REV 3/99) Previous editions may be used PAGE 1 OF 2