REV00143

• Permit No: M1980244
• IBM Index Class Name: Revision
• Doc Date: 3/24/2000
• Doc Name: PROJECT DESCRIPTION AMENDMENT 8 CRESSON PROJECT M-80-244
• Type & Sequence: AM8
• Media Type: D
• Archive: No

• 9.0 SURFACE WATER MANAGEMENT ........................................ 88
9.1 General ..................................................................... 88
9.2 Diversion Analysis and Design ......................................... 89
9.3 Sediment Control ......................................................... 90
10.0 MONITORING .................................................................... 92
10.1 Surface Water ............................................................. 92
10.2 Ground Water ............................................................. 93
10.3 VLF ........................................................................ 94
10.4 Blast (Seismic) Monitoring ............................................. 99
11.0 RECLAMATION AND CLOSURE ............................... ............. 101
11.1 Objectives ..................................................... ............. 1 O 1
11.2 Plant Growth Materials ..................................... .............. 102
1 l .3 General Reclamation Proecedures ......................... ............. 103
11.3.1 Grading and Ripping ............................... .............. 103
11.3.2 Soil Replacement ................................... .............. 104
11.3.3 Revegetation ......................................... ............. 104
11.3.4 Monitoring/Erosion Control ........................ ............. 107
11.4 Amendment No. 8 Reclamation ............................ ............. 107
11.4.1 Mine Areas ........................................... ............. 107
1 1.4.2 Overburden Storage Areas ......................... ............. 108
• 11.4.3 VLF ................................................... ............. l l4
11.4.4 External Solution Storage Ponds .................. ............. 1 16
11.4.5 Haul Roads ........................................... .............. 116
11.4.6 Ancillary Support Facilities ....................... .............. 117
12.0 RECLAMATION COSTS ........................................... .............. l 19
12.1 Introduction ................................................... ............... l 19
12.2 Project Financial Warranty Requirements ................ .............. 120
12.3 Unit Costs ..................................................... .............. 120
12.4 Calculations of Production Costs .......................... .............. 122
]2.5 Calculation ofRevegetation Costs ......................... .............. 122
12.6 Calculation of Detoxification Costs ....................... .............. 123
12.7 Summary ...................................................... .............. 123
12.8 References ..................................................... ............. 124
13.0 ENVII20NMENTAL PROTECTION PLAN/
EMERGENCY RESPONSE PLAN ............................................. 125
13.1 Environmental Protection Plan .......................................... 125
13.1.] Maps ............................................................... 125
13.1.2 Other Permits and Licenses/Other Agency Environmental
Protection Measures ............................................. 125
13.1.3 Designated Chemical(s) Evaluation ........................... 126
• 13.1.4 Designated Chemical(s) and Material(s) Handling.......... 126
13.1.5 Facilities Evaluation ............................................. 126
13.1.6 Ground Water Information ...................................... 127
TOC-iii