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5 . Restabilized Bench Underdrains - A network of un- <br /> derdrains were installed as part of the bench sta- <br /> bilization project during 1984 and 1985 . Three <br /> drains , North, Middle and South, discharge any <br /> water collected in the underdrains . These under- <br /> drains will be monitored quarterly for field in- <br /> formation, pH, temperature and conductivity. <br /> Results of monitoring will be submitted to the <br /> Division semiannually. <br /> B. Surface Water <br /> 1 . Hubbard Creek - The flow and field measurements , <br /> pH, temperature and conductivity, will be <br /> monitored quarterly on upstream Hubbard Creek. <br /> Field measurements will be monitored quarterly on <br /> downstream Hubbard Creek. Results of monitoring <br /> will be included in the annual hydrologic report. <br /> The location of the monitoring points are shown on <br /> Exhibit H-1 . <br /> 2 . NPDES Discharge - Discharge from pond 5 - outfall <br /> 001 , pond 3 - outfall 002 , and pond 4 - outfall <br /> 003 will continue to be monitored according to the <br /> requirements of CDPS Permit No. COG-850009 , <br /> formerly CO-0033553 . See Exhibit J. Outfall 004 <br /> was discontinued when the mine was sealed. Copies <br /> of the quarterly DMR' s will be submitted to the <br /> Division. <br /> - 124a - (Rev. 10-8-90 ) <br />