2012-05-03_HYDROLOGY - C1982056 (4)

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PARAMETER 1- QUALITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE — AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS s pH 00400 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT •• * *•• •• * * ** * * * * ** •• :••* (12) SU PERMIT REQUIREMENT 6 5 MINIMUM ** * * *• 9.0 MAXIMUM TWICE PER MO GRAB SOLIDS, TOTAL SUSPENDED 00530 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * *** * ** i (19) MG /L PERMIT REQUIREMENT * * * * ** • ~ ~•• 35 30 DAY AVG 70 DAILY MAX TWICE PER MO GRAB SOLIDS, SETTLEABLE 00545 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** I (25) MUL PERMIT REQUIREMENT REPORT 30 DAY AVG 0.5 DAILY MAX TWICE PER MO GRAB IRON TOTAL RECOVERABLE 00980 P 0 0 See Comments Below SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** (19) UG /L PERMIT REQUIREMENT *'' *'*'**"' REPORT ROLL AVG Report DAILY MAX CONTINGENT GRAB IRON TOTAL RECOVERABLE 00980 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * * ** (19) UG /L PERMIT REQUIREMENT '*** **** 10470 3ODA AVG REPORT DAILY MX TWICE PER MO GRAB OIL AND GREASE 03582 1 0 0 See Comments Below SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** ** * * ** (19) * * ** MG /L PERMIT REQUIREMENT ** * * ** 10 INST MAX CONTINGENT GRAB FLOW, IN CONDUIT OR THRU TREATMENT PLANT 50050 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT (03) MGD * * * * ** ** * * ** * * * * ** * * ** * * ** PERMIT REQUIREMENT 1.58 30DA AVG REPORT DAILY MAX •* * * ** WEEKLY Instan 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 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 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 false information, including the possibility of fine and imprisonment for knowing violations / 94 / tt:� C" ° TELEPHONE DATE Brian A. Watterson, P.G. Geologist 970 870 - 2750 I / 2 — G'''( Z SIGNATURE OF PRINCIPAL OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR MO DAY TYPE OR PRINTED I NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMITTEE NAME /ADDRESS (includes Facility Name /Location if Different) DISCHARGE MONITORING REPORT (DMR) NAME TWENTYMILE COAL COMPANY ADDRESS MINES 1,2 &3 SOUTH, & ECKMAN PK 29515 RCR #27 FACILITY LOCATION OAK CREEK, CO 80467 ATTN: Mr. Jerry Nettleton, Env Manager COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) EPA Form 3320 - (REV 3/99) Previous editions may be used C00042161 PERMIT NUMBER MONITORING PERIOD YEAR 12 I MO I DAY 01 01 YEAR MO DAY 12 03 31 TO 001 A DISCHARGE NUMBER OIL & GREASE SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE I.E 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 MINOR (SUBR JC) F - FINAL ROUTT POND DISCHARGE TO FISH CREEK Check here if No Discharge NOTE: Read Instructions before completing this form 00397/010709 -1126 PAGE 1 OF 2