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Interoffice MEMORANDUM <br />to: File, C-80-001, Edna Mine, CDMR <br />image files: C-1980-OOl Hydrology <br />from: Byron G. Walker, EPS <br />cc: Daniel Hernandez, CDMG (e-mail) <br />subject: Review, October 2004 NPDES Discharge Monitoring Report (DMR), CDPS Permit <br />000032638 <br />date: November 29, 2004 <br />The following checklist summarizes the results of the Colorado Division of Minerals and <br />Geology's (CDMG) review of the above-referenced report. <br />Review Checklist for Discharge Monitoring Report (DMR) <br /> Requirement Requirement <br />Requirement citation complied with 7 Comment <br /> es / no) <br /> The earlier of date of sample plus 90 <br /> days or same schedule as CDPS permit <br />1. Timely CDMG regulation (28 days afrer close of quarter). Dates <br />submittal of DMRs 4.05.13(2)(a)(iii) yes of sampling were not provided. The <br />to CDMG DMRs were received at the Division on <br /> November 19, 2004, undera WWC <br /> letter dated November 17„ 2004. <br />2. Timely <br />reporting to CDMG CDMG regulation <br />of any exceedances 4.05.13(2xaxii) yes There were no exceedances. <br />of effluent <br />limitations <br />3. Compliance <br />with Federal and <br />State water quality CDMG regulation <br />Yes <br />laws that pertain to 4.05.1(3) <br />dischazges of <br />surface water <br />Flow from Discharge Number 004T was reported as 0.009 mgd average and 0.011 mgd max <br />(weekly samples). There was no discharge at outfall 004 on 28 Oct 2004. <br />Flow from Discharge Number 007T was reported as 0.091 mgd average and 0.102 mgd max <br />(weekly samples). Flow was estimated as 0.03 mgd during the 28 Oct 2004 CDMG inspection. <br />