TABLE ES-1

CATEGORIES OF RADIOLOGICALLY-CONTAMINATED MATERIALS
TO BE ADDRESSED IN THIS FEASIBILITY STUDY


  WASTE
CATEGORY

OU I

OU II/VII

OU IV
1. Buildings and Demolition Debris * -- --
2. Vaults/Pits/Debris * -- --
3. Asphalt/Concrete/Pipe * -- *
4. Lower-Level RAD Soil
(23-67 pCi/g Cs-137)
NA * *
5. Medium-Level RAD Soil
(67-600 pCi/g Cs-137)
* * *
6. RAD Soil (for soil washing)
(<2800 pCi/g Cs-137)
* -- *
7. High RAD Soil-Acceptable at Envirocare
(600 - 60,000 pCi/g Cs137)
* -- --
8. Highest RAD Soil-Acceptable at Hanford
(>60,000 pCi/g Cs137)
* -- --
9. Potential Mixed Waste
(Cs-137 >600 pCi/g)
* -- --
10 Soil with Long-Lived
Radionuclides > Remediation Goal
-- -- *
11. Former HWMF Wetland
(Cs-137 up to 1800 pCi/g)
* -- --


Notes:
* Present
-- Not present