DRAFT EVALUATION REPORT PILOT SOIL VAPOR EXTRACTION AND

5,27

MB

TREATMENT OPERABLE UNIT CARBON TETRACHLORIDE PLUME

70

stron

FORMER FORT ORD, CALIFORNIA

4470

ID

Shaw Environmental, Inc.

2004

rok

Table of Contents

List of Tables .ii

List of Figures .iii

List of Photographs. v

List of Acronyms and Abbreviations.vi

1.0 Introduction 1-1

2.0 Operations Summary 2-1

3.0 Pressure and Radius of Influence. 3-1

4.0 Pilot Soil Vapor Extraction System Operation. 4-1

5.0 Volatile Organic Compound Analytical Results. 5-1

5.1 Soil Vapor Extraction System Monitoring . 5-1

5.2 Monitoring Probe and Extraction Well Monitoring. 5-1

6.0 Modeling of Volatile Organic Compound Results 6-1

7.0 Mass Removed from the CTP. 7-1

8.0 Conclusions . 8-1

9.0 References 9-1