2018-11-21_REVISION - M2004044 ‎(21)‎

• Permit No: M2004044
• IBM Index Class Name: Revision
• Doc Date: 11/21/2018
• Doc Name Note: Part 1 of 5
• Doc Name: Request For Amendment To Permit
• From: Aggregate Industries-WCR
• To: DRMS
• Type & Sequence: AM1
• Email Name: JLE
• Email Name: MAC
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page
1.0 INTRODUCTION........................................................................................................................1
2.0 MODEL DEVELOPMENT..........................................................................................................1
2.1 ModeI Framework............................................................................................................1
2.2 Boundary Conditions and Water Bodies..........................................................................2
2.3 Aquifer Properties............................................................................................................3
2.4 Recharge...........................................................................................................................4
3.0 MODEL SIMULATIONS............................................................................................................5
3.1 Simulation Approach.......................................................................................................5
3.2 Pre-Mine Simulation Results......................... .............6
3.3 Mining and Post-Mining Simulation Results.................
4-0 CONCLUSIONS AND RECOMMENDATIONS.....................................................................10
5.0 LIMITATIONS...........................................................................................................................11
6.0 REFERENCES...........................................................................................................................12
Last of Fizures
Figure 1 Tucson South Vicinity Map
Figure 2 Tucson South Model Area with Site Features and Boundary Conditions(Post-Mining)
Figure 3 Tucson South Area Geology
Figure 4 Groundwater Level Contours-Observed vs. Simulated Pre-Mining(Dry Season)
Figure 5 Simulated Maximum Change in Groundwater Levels, Scenario 4(Wet Season
Figure 6 Simulated Maximum Change in Groundwater Levels, Scenario 4(Dry Season)
Figure 7 Simulated Maximum Change in Groundwater Levels, Scenario 5 (Wet Season)
Figure 8 Simulated Maximum Change in Groundwater Levels, Scenario 5(Dry Season)
Figure 9 Simulated Maximum Change in Groundwater Levels, Scenario 6(Wet Season)
Figure 10 Simulated Maximum Change in Groundwater Levels, Scenario 6(Dry Season)
Figure 11 Simulated Maximum Change in Groundwater Levels,Scenario 7(Wet Season)
Figure 12 Simulated Maximum Change in Groundwater Levels, Scenario 7(Dry Season)
Figure 13 Simulated Maximum Change in Groundwater Levels, Scenario 8 (Wet Season)
Figure 14 Simulated Maximum Change in Groundwater Levels, Scenario 8 (Dry Season)
Figure 15 Groundwater Level Contours- Simulated Post-Mining(Dry Season)
-i- August 2004
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