Stichting Laka

Publicatie Laka-bibliotheek:
Phase I of the Hanford Environmental Dose Reconstruction Project. Draft summary report. PNL-7410 HEDR, UC-707 (1990)

AuteurPacific Northwest Laboratory
Datumjuli 1990
Classificatie 3.01.8.43/22 (VS - LOCATIES - HANFORD)
Voorkant

Uit de publicatie:

Preface

Work Was Prompted by Public Concern

The work described in this report was prompted by the public's concern about 
potential effects from radioactive materials released from the Hanford Site. The 
Hanford Environmental Dose Reconstruction (HEDR) Project was established to 
estimate radiation doses the public might have received from the Hanford Site 
since 1944, when facilities began operating.

The HEDR Project, and the issuance of this Draft Summary Report, are under the 
direction of an independent Technical Steering Panel (TSP) of scientists and members 
who represent Washington and Oregon states, regional Native American tribes, and 
the public. The TSP directs, reviews, evaluates, and approves all HEDR Project work. 
The U.S. Department of Energy (DOE) funds the project but provides no technical 
review or oversight.

Radiation Doses Are Preliminary

Phase I of the HEDR Project is a "pilot" or "demonstration" phase. The objectives 
of this initial phase were to

• determine whether enough historical information could be found or reconstructed 
to be used for dose estimation
• develop and test conceptual and computational models for calculating credible 
dose estimates.

Preliminary estimates of radiation doses were produced in Phase I because they are 
needed to achieve these objectives. The reader is cautioned that the dose estimates 
provided in this and other Phase I HEDR reports are preliminary. As the HEDR 
Project continues, the dose estimates will change for at least three reasons:

• more complete input information for models will be developed
• the models themselves will be refined
• the size and shape of the geographic study area will change.

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