1996-02-08_HYDROLOGY - M1977378 (5)

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Longfellow Koehler Project Page 7 Monitoring Monitoring points for this project will consist of upstream,downstream as well as flows from adits, seeps and dumps. Monitoring will start in 1996 and continue until two years after the project is completed. Monitoring for run on, runoff and waste isolation will occur four times yearly, and particularly once in the spring and fall. All samples taken will be analyzed for dissolved metals Zn, Fe, Al, Mn, Cd, and Cu; total sulfate, hardness and a field pH will be taken as well as field measurements for flow. All monitoring results will be submitted by the 28th day of the month following receipt of analytical results as well as included in the annual reporting. Reporting SGC will submit reports to WQCD and DMG annually at the same time of SGC's annual Mined Land Reclamation submittal. SGC will submit annual reports for this project including finalized engineering drawings, with estimates of operation, maintenance and replacement requirements. Once all reclamation activities included in the plan are complete, a final report will be submitted. Budget Sunnyside Gold Corporation will fund this project. Remedial Goals and Objectives Reduction of dissolved zinc (70%), flowing past the M-02 sampling point at the Koehler Longfellow site on Red Mountain Pass. Actions taken to help reduce dissolved zinc should also improve the qualtiy of low pH, metal laden waters flowing into the headwaters of North Mineral Creek by: (1) design of a passive bio treatment system to be given to WQCD; (2) reduction of acidity in the headwaters by isolating or limiting abilities of waters to react with pyrite and other sulfide minerals; (3) reduction of exposure to waste material by snowmelt, rainwater and intermittent streams; and (4) visually reclaim area to accepted reclamation standards.