[Home]
[Master
Table of Contents]
[Table of Contents]
AOC 55 RCRA
Facility Investigation Report, January 2004
Table of Contents
Section 1 - Introduction
1.1 Background and Site
Description
1.1.1 CSSA
1.1.2 AOC 55
1.1.2.1 Site
Description
1.1.2.2 Potential Sources of Contamination
1.1.2.3 Site
Location
1.2 Site Environmental
Setting
1.2.1
Site Soils and Topography
1.2.2 Geology
1.2.3 Hydrology
1.2.4 Cultural
Resources
1.2.5 Potential
Receptors
1.3 Previous Investigations
1.4 Closure Standard
Section 2 - Field Investigation
2.1 Field Actions
2.1.1
Geophysical Survey
2.1.2
Preliminary Site Excavations
2.1.3
Initial Soil Characterization Sampling
2.1.4
Soil Gas Survey Samples
2.1.5
Site Excavations
2.1.6
Soil Samples
2.1.7
Groundwater Samples
2.1.8
Salado Creek Low Water Crossing
2.2 Results and Comparisons
2.2.1
Geophysical Survey
2.2.2
Preliminary Site Excavations
2.2.3
Soil Gas Survey Samples
2.2.4 Site Excavations
2.2.5 Closure Samples
2.2.6
Groundwater Samples
Section 3 - Conclusions and Recommendations
3.1 Conclusions
3.2 Evaluation of Data Quality Objectives
3.3 Recommendations
Appendices
Appendix A Analytical Results
Appendix B Photographic Record
Appendix C Evaluation of Data Quality Objective Attainment Table
Appendix D Low Water Crossing As-Built Drawing
Figures
Figure 1 Site Location Map
Figure 2 Soils and Topographic Map
Figure 3 Geologic Setting
Figure 4 Geophysics 1
Figure 5 Geophysics 2
Figure 6 Test Trench Locations
Figure 7 Sample Location Map
Tables
Table 2.1 AOC 55 Summary Analytical Results
Table 3.1 95% UCL for Lead
Table 3.2 95% UCL for Zinc