[Home] [Master Table of Contents]

Final SWMU B-3 Soil Vapor Extraction Operations And Maintenance Report

 AFCEE/ERD QAE, Contract Number F11623-94-d0024
RL74 and RL83

April 2003

Table of Contents

Section 1 - Introduction

Section 2 - Operations and mantenance Testing Protocols

2.1    Overview

2.2    Initial soil gas and Flow adjustments

2.3    Bi-Weekly System Checks and Monthly Monitoring

2.4    Collection of Air Emission Samples

2.5    Air Emissions

2.6    Water Level Measurements

2.7    Groundwater Sampling

Section 3 - Results and Data Evaluation

3.1    Initial Soil Gas Results

3.2    Bi-weekly System Checks and Monthly Monitoring Results

3.3    Soil and Gas Air Emission Results

3.3.1      Contaminant Removal Rates

3.3.2      Air Emissions Summary

3.4    Groundwater Evaluation results

3.4.1      Groundwater Elevation Measurements

3.4.2      Groundwater Sampling

Section 4 - Technology Evaluation

Section 5 - Conclusions and Recommendations

Section 6 References

Appendices

A      Data Validation Report

B       Contaminant Mass Removal Calculation Tables

C      Technology Evaluation Memorandum, Veg/oil bark mulch enhancement

List of Figures

Figure 1.1      As-Built Expanded SVE System Layout SWMU B-3 SWMU B-3 SVE O&M Assessment

Figure 3.1      Water Level in VEW-01 and Daily Precipitation SWMU B-3 SVE O&M Assessment

Figure 3.2      Water Levels in B-3 VEWs Following July 2002 Flood SWMU B-3 SVE O&M Assessment

List of Tables

Table 2.1       Initial Flow Rate Setting, January 6, 2000 SWMU B-3 SVE O&M Assessment

Table 2.2       TVH Estimated Levels at Initial System Settings, January 6, 2000 SWMU B-3 SVE O&M Assessment

Table 2.3       Schedule of Completed O&M Activities,  SWMU B-3 SVE O&M Assessment

Table 3.1       Initial Soil Gas for O&M Task and Previous Pilot Test Events, SWMU B-3 SVE O&M Assessment

Table 3.2       Extraction Pressure Results and Blower Operating Parameters from Bi-weekly System Checks SWMU B-3 SVE O&M Assessment

Table 3.3       Monthly Flow Rates from Individual VEWs and Main Exhaust SWMU B-3 SVE O&M Assessment 

Table 3.4       Field Screening Results from Monthly Soil Gas Screening Activity SWMU B-3 SVE O&M Assessment

Table 3.5       VMP Field Screening Results SWMU B-3 SVE O&M Assessment

Table 3.6       Analytical Results and Removal Rates for Volatile Organic Contaminants SWMU B-3 O&M Assessment

Table 3.7       Comparison of Removal Rates Over Time SWMU B-3 SVE O&M Assessment

Table 3.8       Contaminant Concentration in Exhaust Emissions SWMU B-3 SVE O&M Assessment

Table 3.9       Water Levels in VEWs Following July 2002 Flood SWMU B-3 SVE O&M Assessment Report

Table 3.10     Summary of Groundwater Sample Results from B-3 VEWs SWMU B-3 SVE O&M Assessment