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Author Archive | Edwin Lyman

Nuclear Power: The Safety of Generation IV Designs

In addition to the Generation III+ designs of commercial reactor vendors, the DOE is sponsoring R&D on advanced reactor systems at national laboratories and universities (see Box 8, p. 59).  Two are thermal reactors and three are fast reactors that would use plutonium-based fuels.  One goal of these designs — known as Generation IV — […]

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IAEA Data Appear to Show Increased Ground Contamination.  Why Doesn’t the IAEA Just Say So?

It’s difficult to make any sense of the data being reported from various quarters regarding dose rates and contamination levels at varying distances from the Fukushima Dai-Ichi nuclear plant. The International Atomic Energy Agency (IAEA) could do a public service by establishing a consistent reporting framework so the public can assess whether radionuclide release rates […]

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Japan: Squandering the Chance for Orderly Evacuation

Given the large amount of radioactivity that could be released from the damaged reactors and spent-fuel pools at the Fukushima Dai-Ichi facility, the Japanese government was wise to evacuate residents within a 12 mile (20 kilometer) radius of the reactor site. Unfortunately, the crisis in not over.  Given the uncertainty over future releases, we believe […]

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Sunday Update on Fukushima Reactors

As of 7 pm EDT Sunday 3/13/11 We reported earlier about the situation at Fukushima Dai-Ichi reactor Unit 1.  The nuclear crisis in Japan took a turn for the worse as serious problems developed in reactor Unit 3. Officials from Tokyo Electric reported that after multiple cooling system failures, the water level in the Unit […]

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