2014-01-06_REVISION - M2000041

• Permit No: M2000041
• IBM Index Class Name: REVISION
• Doc Date: 1/6/2014
• Doc Name: Response to Adequacy of October 7, 2013 AM01
• From: Environmental Alternatives, Inc
• To: DRMS
• Type & Sequence: AM1
• Email Name: TC1
• Media Type: D
• Archive: No

HYDROGEOLOGIC EVALUATION FOR THE FREMONT PAVING EVANS #2 PIT
TABLE OF CONTENTS
1.0 Introduction .............................................. ...............................
2.0 Hyrogeologic Characterization ................ ...............................
2.1 Regional Geologic Setting ........ ...............................
2.2 Site Conditions ........................... ...............................
2.3 Alluvial Aquifer Characterization .............................
3.0 Potential Dewatering Impacts .................. ...............................
3.1 Mining Phase I ........................... ...............................
3.2 Mining Phase II .......................... ...............................
3.3 Mining Phase III ......................... ...............................
4.0 Groundwater Monitoring ......................... ...............................
5.0 References ................................................ ...............................
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Tables
Table 1 — Summary of May 2006 Bore Hole Data ....... ............................... ...........................Page 3
Table 2 — Summary of May 2006 Selected Bore Hole Gradation Data ...... ...........................Page 4
Fieures
Figure1 — Site Map ............................................... ............................... .........................Behind Text
Figure 2 — Site Conditions Map ............................. ............................... .........................Behind Text
Figure 3 — Phase I Dewatering Map ...................... ............................... .........................Behind Text
Figure 4 — Phase I Dewatering Curve ........................... ............................... ...........................Page 8
Figure 5 — Phase III Dewatering Map .................... ............................... .........................Behind Text
Figure 6 — Phase III Dewatering Curve ........................ ............................... ...........................Page 9
Figure 7 — Groundwater Monitoring Map ............. ............................... .........................Behind Text
Appendices
Appendix A — Selected Reference Material
Appendix B — Dewatering Analytical Solution Results