2012-03-01_HYDROLOGY - C1982056 (5)

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PARAMETER QUALITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS �—� SULFATE SAMPLE (AS S) 00154 1 0 0 EFFLUENT GROSS VALUE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** 64.5 * * * * ** (19) MG /L 0 2/92 grab PERMIT REQUIREMENT 250 30DA AVG "' *" ONCE/ MONTH GRAB BOD, 5 -DAY (20 DEG. C) 00310 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT 3.3 3.3 (26) LBS /DY * * * * ** 17 17 (19) MG /L 0 2/92 grab GRAB PERMIT REQUIREMENT 3.8 30DA AVG 5 6 MX 70A AVG ' "`*' 30 30DA AVG 45 MX 7D AV ONCE/ MONTH pH SAMPLE 00400 1 0 0 EFFLUENT GROSS VALUE MEASUREMENT ** * * ** * * * * ** * * * * ** 8 * * * * ** 8.4 (12) SU 0 1/7 grab PERMIT REQUIREMENT * * "" * * * "' 6 5 MINIMUM 90 MAXIMUM WEEKLY GRAB SOLIDS TOTAL SUSPENDED 00530 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** 16 16 (19) MG /L 0 2/92 grab PERMIT REQUIREMENT *'* *** * * ***` 75 300A AVG 110 DAILY MX ONCE/ MONTH GRAB N ITRITE PLUS NITRATE TOTAL 1 DET (AS N) 00630 1 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** 0.14 * * * * ** (19) MG /L 0 2/92 grab PERMIT REQUIREMENT * *` * ** 10 30DA AVG ONCE/ MONTH GRAB CHLORIDE (AS CL) 00940 1 0 0 MEASUREMENT * * * * ** * * * * ** * * * * ** * * * * ** 26.8 * * * * ** (19) MG /L 0 2/92 grab PERMIT REQUIREMENT * *` * ** 250 30DA AVG ONCE/ MONTH GRAB FLOW, IN CONDUIT OR THRU TREATMENT PLANT 50050 E 0 0 EFFLUENT GROSS VALUE SAMPLE MEASUREMENT 0.00129 0.00129 (03) MGD * * * * ** * * * * ** * * * * ** * * * * ** 0 daily instan PERMIT REQUIREMENT 0.015 30DA AVG REPORT DAILY MX " "" * *` * *` DAILY _ 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 4 p 7 ,G TELEPHONE DATE Brian A. Watterson, P.G Geologist i� 970 870 - 2750 /2_ C I L SIGNATURE OF PRINCIPAL OFFICER OR AUTHORIZED AGENT AREA CODE NUMBER YEAR MO DAY TYPE OR PRINTED 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 SOUTH, & ECKMAN PK 29515 RCR #27 FACILITY LOCATION OAK CREEK, CO 80467 ATTN: Jerry Nettleton, Env Supervisor C00042161 PERMIT NUMBER MONITORING PERIOD YEAR 11 I MO 10 DAY 01 YEAR MO DAY 11 12 31 TO COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) 30 DAVG IS HIGHEST MONTHLY AVERAGE DURING PERIOD REPORTED OIL & GREASE GRAB SAMPLE REQUIRED IF VISIBLE SHEEN IS OBSERVED - SEE I B 1 (D) EPA Form 3320 -1 (REV 3/99) Previous editions may be used 002 A DISCHARGE NUMBER MINOR (SUBR JC) F - FINAL ROUTT DOMESTIC WASTE TO EMERALD SPGS El Check here if No Discharge NOTE: Read Instructions before completing this form 00507/010709 -1126 PAGE 1 OF 2