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Final September 2004 On-Post Quarterly Groundwater Monitoring Report, January 2005
Table of Contents
1.0 - Water Level Measurements
2.0 - Basewide Flow Direction and Gradient
3.0 - Weather Station and Transducer Data
4.0 - Westbay�-Equipped Well Results
5.0 - September 2004 Analytical Results
5.1 Volatile Organic Compound Results
5.1.1 Toluene and Methylene Chloride Detections
5.1.2 MCL Exceedances in Monitoring Wells
Appendices
Appendix A - Evaluation of Data Quality Objectives Attainment
Appendix B - September 2004 Quarterly On-Post Groundwater Monitoring Analytical Results
Appendix C - In-Situ Low Flow Logs
Appendix D - On-post Cumulative Analytical Results
Tables
Table 1.1 - Summary of Groundwater Elevations, September 2004
Table 1.2 - Comparison of Groundwater Elevations from June 2004 to September 2004
Table 4.1 - Combined Results from Westbay� Equipped Wells
Table 5.1 - September 2004 Quarterly Groundwater Detected Concentrations
Figures
Figure 2.1 - September 2004 Potentiometric Surface Map, LGR Wells Only
Figure 2.2 - September 2004 Potentiometric Surface Map, BS Wells Only
Figure 2.3 - September 2004 Potentiometric Surface Map, CC Wells Only
Figure 2.4 - September 2004 Potentiometric Surface Map for the LGR Screened Wells Near Building 90
Figure 2.5 - September 2004 Potentiometric Surface Map for the CC Screened Wells Near Building 90
Figure 2.6 - Groundwater Elevations and Precipitation Data for Selected Wells
Figure 4.1 - CS-WB01 Combined Concentration, Water Level, and Rainfall Data
Figure 4.2 - CS-WB02 Combined Concentration, Water Level, and Rainfall Data
Figure 4.3 - CS-WB03 Combined Concentration, Water Level, and Rainfall Data
Figure 4.4 - CS-WB04 Combined Concentration, Water Level, and Rainfall Data