~7-

us

additional risk,

Furthermore, EPA stated that thetr Guidance

was intended for use in land deeds, development and use, and that
these concepts undoubtedly do ngt apply to the Enewetak culture.

nuclear weapons tests (i.e., NTS, N.M., Bikini, Enewetak).

Consequently

we Should make every reasonable effort to assure that the Guidance is
complied with, but it 4s not necessartly a prerequisite for rescctienment-at least from CPA's perspective

4)

How all this will help OES within 2 weeks is a mystery to me.

Any

suggestions or help in determin{ng clean-up levels for residence,
agriculture, and visiting islands would be most gratefully apprectfated,
I'm sure.

5) While the Bone dose exceeds EPA ‘Guidance

to a much greater excent than

does the lung dose, the largest single contributor to the bone csse

Se,

Meee OB

1s translocation from the tung.

If the inhalation assumptions are

conservative by up to a factor of 10, the lung dose becomes quite

acceptable and the bone dose is reduced amost by 1/3.

Possible

conservatisms in ingestion paras eters (e.g., concentration ratios)
diet estimates may lower the bor ie ‘dose still further; on the other
hand, raising the GI absorptfon factor will} increase it.

The unknowns

rial and marine ingestion pathways

and uncertainties in the terres

almost preclude any realistic ‘ via this exposure route.
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OL.

public/private land use, and was not directed toward sites of atmospheric

dg shas mse

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In addition it was stated that the Guidance was intended for U.S.

Select target paragraph3