REV14208

• Permit No: M1977344
• IBM Index Class Name: Revision
• Doc Date: 1/27/1999
• Doc Name: HYDROGEOLOGIC ASSESSMENT - HOLNAM INC PORTLAND COLO
• Type & Sequence: TR6
• Media Type: D
• Archive: No

' TABLE OF CONTENTS
1
1.0 INTRODUCTION ........................................................ 1
' 1.1 Purpose and Objective ............................................... 1
1.2 Scope of Work ..................................................... 1
' 2.0 BACKGROUND ........................................ ................. 2
2.1 General Site Description ............................. ................. 2
2.2 Proposed Cement Kiln Dust Regulations ................ ................. 3
'
3.0 ASSESSMENT ACTIVITIES .............................. ................. 3
3.1 Literature Search .................................. ................. 3
3.2 Geologic Field Mapping ............................. ................. 4
3.3 Water Well Survey ................................. ................. 4
3.4 New Monitoring Well Installation ......................
3.5 Old Monitoring Well Evaluation ....................... ................. 4
................. 8
3.6 CKD/Sludge Sampling .............................. ................. 8
3.7 Ground Water Sampling .............................
...........
..... .
' 3.8 Laboratory Analysis ................................ ................. 9
3.8.1 CKD/Sludge Samples ......................... ................. 9
3.8.2 Ground water samples ......................... ................ 11
t 3.9 Hydraulic Conductivity Testing ....................... ................ 12
3.10 Modeling ......................................... ................ 12
4
0 GEOLOGY 14
. ............................................ ................
' S.0 HYDROGEOLOGY ..................................... ................ 16
6.0 ANALYTICAL RESULTS ................................ ................ 18
' 6.1 CKD/Sludge Waste Characteristics ..................... ................ 18
6.1.1 Whole Sample Analyses ....................... ................ 18
6.1.2 Leach Tests ................................. ................ 18
' 6.2 Ground Water Quality .............................. ................ 21
' 7.0 CONCLUSIONS ........................................ ................ 25
8.0 REFERENCES ......................................... ................ 26

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