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L?- I <br />• <br />C <br />APPENDIX D <br />March 2000 -19•• 993-2099.150 <br />10 feet and 80 feet below surface. Further exploratory drilling will be required to define <br />the extent and type of remediation for this area <br />This is the area of Ophir Tunnel. Other than the tunnel opening, it does not incorporate or <br />access any underground workings. The hole that was drilled in the area did not encounter <br />any underground workings. The tunnel portal will be remediated as discussed in the <br />previous sections, and further exploratory may be undertaken at the time of remediation. <br />However it is not expected that further remediation will be required in this area. <br />These are the areas of Alice, Raven Beacon, and Commonwealth Workings/Narcissus <br />Shafts, respectively. None of the holes drilled in these three areas identified any open <br />excavations. Further exploratory drilling will be undertaken in this area at the time of <br />remediation. Present evidence is that remediation will not be required in these areas. <br />6.0 CONCLUDING COMMENTS <br />The remediation program discussed above is based on a thorough assessment of the <br />information presented in the historical mining plan maps, and a limited site investigation <br />program undertaken by Golder. The main objectives were to characterize the type of <br />conditions requiring remediation, to determine the types of remediation that will be <br />required, and to indicate the approximate areas where these different types of remediation <br />will need to be implemented. These objectives have been met to the degree that the range <br />of conditions requiring remediation have been identified, and the necessary range of <br />different types of remediation activities have been developed. <br />IAM099 MAL IIEPDRrQMAPPD.DDC Golder Assockdes