2013-08-06_HYDROLOGY - C1982056 (3)

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PERM ITTEE NAME/ADDRESS (Include Facility Name/Location If Different) NAME: Twentymlle Coal Company ADDRESS: 29515 Routt CR 27 NO. EX Oak Creek, CO 80467 FACILITY: MINES 1 &2 AND ECKMAN PARK MINE LOCATION: 29515 RCR #27 VALUE OAK CREEK, CO 80467 ATTN. JERRY NETTLETON, ENV SUPERVISR NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) DISCHARGE MONITORING REPORT (DMR) C00027154 005 -Q PERMIT NUMBER DISCHARGE NUMBER MONITORING PERIOD MM /DD/YYYY MM /DD /YYYY FROM 04/01/2019 TO 06/30/201 Form Approved OMB No 2040 -0004 DMR Mailing ZIP CODE: 80467 MAJOR (SUBR JC) Quarterly Monitoring for 005A External Outfall No Discharge PARAMETER I wrtd under "n t, ur la„ that flu, document and all atta,hment, „ete prepared under m, d,rt0- or pns ,on,naei „ta,mea,a,a,,,ton,aes, ed1,-- that , Inahliedpr ,.,,elpn,perh gather and alu.d., the mlbnnahon,uhmLLted Reed nn tm tnyutn or the p non or penom mho man—, the a stmn nr tho,, pe-ai, d,recth re,pnnvhle ti,r g,then,,g the ,n —anon the mfnnnal,nn �uhm,lted i the he,t .1"Z Anon ledge ad hhcr — n,. mate .md complete I am .mare that the,. arc a,gmfieant p..1imn,orsnnnnu,ng take morn, at,- na. ludang the po,,, hdthutfineand tmpmomnenth,rl,u —ng QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. EX FREQUENCY OF ANALYSIS SAMPLE TYPE VALUE VALUE UNITS VALUE VALUE VALUE UNITS AUTHORIZED AGENT AREA C.d. NUMBER MMIDD/YYYY Conductivity SAMPLE MEASUREMENT ...... ...... ...... L� j 000941 0 Effluent Gross PERMIT REQUIREMENT "' * ** * ** ** Req Mon. QRTR AVG Req. Mon. QRTR MAX umho /cm Quarterly GRAB Iron, total (as Fe) SAMPLE MEASUREMENT « „ (� (J f / 0104510 Effluent Gross PERMIT REQUIREMENT «'''" " "" * * *` *` 3500 QRTR AVG 7000 QRTR MAX mg /L Quarterly GRAB Iron, total (as Fe) SAMPLE MEASUREMENT .....« IV14- /%P, AAA IVA 0104500 See Comments PERMIT REQUIREMENT ' *'' *' `..... * * * * ** * * * *' Req. Mon. QRTR AVG Req Mon. QRTR MAX ug /L Quarterly GRAB Copper, potentially dissolved SAMPLE MEASUREMENT ,.,.,. 01306 1 0 Effluent Gross PERMIT REQUIREMENT " « « * «« * * ** ** Req Mon. QRTR AVG Req Mon. QRTR MAX ug /L Quarterly GRAB Oil and grease SAMPLE MEASUREMENT .... «. ...... * w� Af4 0358210 Effluent Gross PERMIT REQUIREMENT ....,, , «,. « «,., ..... INST MAX mg /L Contingent GRAB Solids, total dissolved SAMPLE MEASUREMENT ...... ..... ...... �� C� 0 3 f b 702951 0 Effluent Gross PERMIT REQUIREMENT Req Mon QRTR AVG Req Mon QRTR MAX mg /L Quarterly CALCTD Oil and grease visual SAMPLE MEASUREMENT .... «. 840661 0 Effluent Gross PERMIT REQUIREMENT * * * * ** Req Mon INST MAX Y =1;N =0 * * * * ** Quarterly VISUAL NAME /TITLE PRINCIPAL EXECUTIVE OFFICER I wrtd under "n t, ur la„ that flu, document and all atta,hment, „ete prepared under m, d,rt0- or pns ,on,naei „ta,mea,a,a,,,ton,aes, ed1,-- that , Inahliedpr ,.,,elpn,perh gather and alu.d., the mlbnnahon,uhmLLted Reed nn tm tnyutn or the p non or penom mho man—, the a stmn nr tho,, pe-ai, d,recth re,pnnvhle ti,r g,then,,g the ,n —anon the mfnnnal,nn �uhm,lted i the he,t .1"Z Anon ledge ad hhcr — n,. mate .md complete I am .mare that the,. arc a,gmfieant p..1imn,orsnnnnu,ng take morn, at,- na. ludang the po,,, hdthutfineand tmpmomnenth,rl,u —ng TELEPHONE DATE %y` I �(V �' Z IC' SIGNATURE OF PRINCIPAL EXECUTIVE OFFICER OR TYPED OR PRINTED AUTHORIZED AGENT AREA C.d. NUMBER MMIDD/YYYY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) EPA Form 3320 -1 (Rev.01 106) Previous editions may be used. 03/3112011 Page 1