Remediation Division
- Goals & Objectives
- Organization Chart
- Remediation Staff Contacts
- DEQ Staff Directory
- Activities/Accomplishments
- Information Systems
- Map Sites/Query Data
- Data Requests
Guidance Documents
Final Guidance Document Tier 1 Risk-Based Corrective Action Guidance text
- Tier 1 Tables
- Appendices
- Appendix A: UST Release Reports
- Appendix B: Enforcement Division Complaint/Spill Report
- Appendix C: Master Table of Potential Tier 1 Values
- Appendix D: Vadose Zone Modeling Technical Support Document
- Soil Leaching to Groundwater Modeling Text
- Table 1 - Leaching Model Physical Parameters
- Table 2 - VS2DT Chemical Parameters
- Table 3 - EPA SSL Soil/Water Partition Equation
- Table 4 - VS2DT DAFs and Travel Times
- Table 5 - VS2DT Mass Balance
- Table 6 - Sensitivity Results
- Figure 1 - Equilibrium Moisture Profile
- Figure 2 - Benzene Sand 0.1 m : conc vs time
- Figure 3 - Naphthalene Sand 0.1 m : conc vs time
- Figure 4 - Benzene Concentration 50 days
- Figure 5 - Benzene Concentration 162 days
- Figure 6 - Benzene Concentration 500 days
- Figure 7 - VS2DT Dilution Attenuation Factors
- Figure 8 - Water Balance
- Figure 9 - Percent Mass Balance Error
- Figure 10 - Total Sorbed Mass : 0.1 m benzene
- Figure 11 - Desorption Rate : 0.1 m benzene
- Figure 12 - VS2DT 0.1 m Benzene Sensitivity
- Figure 13 - HELP Sensitivity
- Attachment A - HELP Model Output
- Attachment B - VS2DT Input File and Conceptual Model Schematics
- Attachment C - VS2DT Output File
- Attachment D - POC Concentration File
- Appendix E: Direct Contact Technical Support Document
- Appendix E: Table 1
- Direct Contact Text
- Volatilization Factors Spreadsheet
- Age-Adjusted Factors Spreadsheet
- Residential Scenario Carcinogens Spreadsheet
- Residential Scenario Non-carcinogens Spreadsheet
- Commercial Scenario Carcinogens Spreadsheet
- Commercial Scenario Non-carcinogens Spreadsheet
- Excavation Scenario Carcinogens Spreadsheet
- Excavation Scenario Non-carcinogens Spreadsheet
- Water Quality Guidelines for Non-Target Analytes Spreadsheet
- Beneficial Use Criteria Text
- Appendix F: Technical Memorandum: Application of the Massachusetts Method in Facility Characterization
