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【火星勿喷】 美国:汉福德核设施发生核废料泄漏

整理时间:2013-02-25 03:58 来源:www.vimiy.com 作者:编辑 点击:

【楼主】(1963512)2013-02-23 18:06

» 美国:汉福德核设施发生核废料泄漏
    据美国当地媒体报道,美国华盛顿州州长周五称,华盛顿东南部汉福德核工厂一个存储放射性废物的单层安全壳每年发生150至300加仑的液体泄漏。 美国华盛顿州州长杰・英斯利(Jay Inslee) 说:“这是剧毒物质,我们对核物质泄漏并可能污染华盛顿州地下水一事,必须持零容忍的态度。”
    
    汉福德核设施召开的新闻发布会据美国有线电视新闻网报道,他强调说核泄漏近期不会对公众健康带来危害,但是这不能成为不作为的借口。他说对于华盛顿州来讲,这是一个长期的、影响深远的问题。他说:“我们一再被告知、我也确信,核泄漏短期内不会危害公众健康。它仍需一段时间才会污染地下水或者哥伦比亚河。”
    
    发生核泄漏的设施位于华盛顿州杰・英斯利说他下周将会与美国能源部长朱棣文会面。朱棣文周五早上致电给他,并带来了核泄漏的消息。 据州政府称,该安全壳建成于20世纪40年代,存储了大约44.7万加仑的核废料。汉福德核工厂一共有177个地下核废料安全壳,其中149个是单层安全壳。美国能源部长朱棣文说,此次核泄漏是2005年以来首次液体核物质泄漏。汉福德核设施占地586平方英里,曾经在美国钚生产中发挥主要作用。目前,汉福德正在建设全球最大的核废料处理和固化工厂,但在建成之前,核废料还需保存在安全壳中。
    
网友评论(4760591)2013-02-23 18:12


    “必须持零容忍的态度”
    
    这种官话的翻译一看就很不舒服。原本是想驳斥一下的。
    
    没有找到这句话的翻译,相关的报道稍微参考
    
    YAKIMA, Washington — Six underground tanks that hold a brew of radioactive and toxic waste at the United States’ most contaminated nuclear site are leaking, Gov. Jay Inslee announced Friday.
    The leaks raise new concerns about delays for emptying the tanks at south-central Washington’s Hanford nuclear reservation, and they strike another blow to federal efforts to clean up the site, where successes often are overshadowed by delays, budget overruns and technological challenges.
    State officials just last week announced one of Hanford’s 177 underground tanks was leaking in the range of 150 gallons (570 liters) to 300 gallons (1,136 liters) a year, posing a risk to groundwater and rivers. So far, nearby wells haven’t detected higher radioactivity levels.
    The governor said the leaking material poses no immediate risk to public safety or the environment because it would take a while — perhaps years — to reach groundwater.
    Inslee traveled to Washington, D.C., this week to discuss the problem with federal officials. He said he received the “very disturbing news” during meetings Friday that six tanks are leaking.
    “I think that we are going to have a course of new action and that will be vigorously pursued in the next several weeks,” he said.
    Inslee’s comments came days after Democratic Sen. Ron Wyden of Oregon said the Hanford nuclear reservation — and the challenges associated with ridding it of its toxic legacy — would be the subject of upcoming hearings and a higher priority in Washington, D.C.
    The federal government created Hanford in the 1940s as part of the top-secret project to build the atomic bomb, and the site went on to produce plutonium for the nation’s nuclear weapons arsenal for years.
    Today, it is the country’s most contaminated nuclear site, with cleanup expected to last decades and cost billions of dollars. There are legal and ethical considerations to cleaning up the Hanford site at the national level, Inslee said, adding that he will continue to insist that the Department of Energy fully clean up the site.
    The tanks hold some 53 million gallons (200 million liters)of highly radioactive waste — enough to fill dozens of Olympic-size swimming pools — and many of those tanks are known to have leaked in the past. An estimated 1 million gallons of radioactive liquid already leaked.
    The tanks also are long past their intended 20-year life span — raising concerns that even more tanks could be leaking — though they were believed to have been stabilized in 2005.
    Inslee said the falling waste levels in the six tanks were missed on graphs because only a narrow band of those graphs was evaluated, rather than a wider band that would have shown the levels changing over time.
    “It’s like if you’re trying to determine if climate change is happening, only looking at the data for today,” he said. “Perhaps human error, the protocol did not call for it. But that’s not the most important thing at the moment. The important thing now is to find and address the leakers.”
    The government already spends $2 billion each year on Hanford cleanup — one-third of its entire budget for nuclear cleanup nationally. The Energy Department has said it expects funding levels to remain the same for the foreseeable future, but a new Energy Department report released this week includes annual budgets of as much as $3.5 billion during some years of the cleanup effort.
    Much of that money goes toward construction of a plant to convert the underground waste into glasslike logs for safe, secure storage. The plant, last estimated at more than $12.3 billion, is billions of dollars over budget and behind schedule. It isn’t expected to being operating until at least 2019.
    Given those delays, the federal government will have to show that there is adequate storage for the waste in the meantime, Inslee said.
    “We are not convinced of this,” he said. “There will be a robust exchange of information in the coming weeks to get to the bottom of this.”
    Inslee and Oregon Gov. John Kitzhaber have championed building additional tanks to ensure safe storage of the waste until the plant is completed.
    Wyden, whose home state neighbors the nuclear reservation, said after touring the site Tuesday that he shares their concerns about the integrity of the tanks, but that he wants more scientific information to determine it’s the correct way to spend scarce money.
    
网友评论(1270524)2013-02-23 18:22


    呃,今年美国樱桃不能吃的节奏?
    ----sent from my asus Nexus 7,Android 4.2.2
    

    
    
    

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