Groundwater Protection Group - OU IV Five-Year Review

The five-year review of the Operable Unit IV treatment system is now available. These files are presented in two ways: one large file containing all information, or a series of smaller files.

Entire Five-Year Review (PDF)

Individual Document Files

• Cover (PDF)
• Text of Report (PDF)
• Figure 1 - map (PDF): (AS/SVE) Program Monitoring Well Locations and Planned Actions
• Table 2 (PDF) - Summary of Volatile and Semivolatile Organic Compounds Detected
• Attachment 1 (PDF)- map: Site Plan, CERCLA Five Year Review
• Attachment 2 (PDF) - map: Operable Unit IV, Areas of Concern 5 and 6
• Attachment 3 (PDF) - map: Areal Extent of Soils Contaminated with VOCs
• Attachment 4 (PDF) - map: Extent of Radiologically Contaminated Soils
• Attachment 5 (PDF) - map: Maximum Areal Extent of Soil and Groundwater Remediation for VOCs
• Attachment 6 (PDF) - List of Documents Reviewed
• Attachment 7 (PDF) - chart: Environmental TLD Exposure versus Time
• Attachment 8 (PDF) - map: Sr-90 Monitoring Well Network
• Attachment 9 (PDF) - map: TVOC Monitoring Well Network
• Attachment 10 (PDF) - Planned Community Participation Activities
• Attachment 11 (PDF) - Proposed OU IV Post-Closure Groundwater Monitoring