GENERAL35570

• Permit No: M1999002
• IBM Index Class Name: General Documents
• Doc Date: 2/14/2005
• Doc Name: Major Mod. UIC Area Permit No. CO30858-00000
• From: EPA
• To: American Soda LLP
• Media Type: D
• Archive: No

TABLE OF CONTENTS
1.0 Introduction ............:...............................................1
2.0 Ground Water Monitoring ................................................. 1
3.0 Ground Water Quality Sampling Procedures .................................. 10
4.0 Surface Water Monitoring Locations and Process .............................. 10
5.0 Process Monitoring .....................................................13
6.0 Quality Assurance/Quality Contro] 14
7.0 Data Assessment Procedures .............................................. 17
8.0 Reporting .............................................................18
Tables
Table 1 Ground Water Monitoring Well Location & Monitoring Zone Profile ......... 2
Table 2 Temporary Suspension Monitoring Plan ................................ 7
Table 3A Standard Water Quality Pazameters for Commercial Production
and Temporary Suspension Monitoring Programs .................. 8
Table 3B Additional Water Quality Parameters for Commercial Production
and Temporary Suspension Monitoring Programs .................. 8
Table 4 Commercial Production Monitoring Plan .............................. 10
Table 5 Process Monitoring ............................................... 13
Figures
Figure 1 Map of Ground Water Monitoring Wells ............................... 3
Figure 2 Schematic of Yankee Gulch Ground Water Monitoring Locations ............ 4
Draft Modification No. 9 LTIC Area Permit No. CO30858-00000 Page 21 of 44