US nuclear dump is leaking toxic waste

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rel="tag">News</a><li> <a href="https://www.newscientist.com/subject/earth/" rel="tag">Earth</a></li><li> <a href="https://www.newscientist.com/subject/health/" rel="tag">Health</a></li><li> <a href="https://www.newscientist.com/subject/technology/" rel="tag">Technology</a></li></ul></div> <div class="article-body"> <header class="article-header"> <section class="rule news"> <div class="rule-info-container"> <section class="article-sharing-top">  <div class="addthis_toolbox addthis_default_style addthis_32x32_style" addthis:url='https://www.newscientist.com/article/dn23214-us-nuclear-dump-is-leaking-toxic-waste/' addthis:title='US nuclear dump is leaking toxic waste' > <a class="addthis_button_preferred_1"></a> <a class="addthis_button_preferred_2"></a> <a class="addthis_button_preferred_3"></a> <a class="addthis_button_preferred_4"></a> <a class="addthis_button_compact"></a> <a class="addthis_counter addthis_bubble_style"></a> </div>  </section> <section class="article-section"> <p class="section-indicator news"><a href="/article_type/daily-news/">Daily news </a></p> <p class="published-date">27 February 2013 </p> </section> </div> </section> <h1 class="article-title">US nuclear dump is leaking toxic waste</h1> <p class="strap"></p> </header> <div class="main-content"> <div class="article-copy"> <div class="article-content"> <p><figure class="img-800 case5"><img src="https://d1o50x50snmhul.cloudfront.net/wp-content/uploads/2013/02/dn23214-1_800.jpg" class="img-800 wp-image-1979955" alt="Not so secure after all? " title="Not so secure after all? "/><div class="image-details"><figcaption class="wp-caption-text">Not so secure after all?</figcaption><p class="credit">(Image: Jeff T. Green/Getty)</p></div></figure></figure> <p>Waste from the production of US nukes is on the loose. Toxic cargo is escaping from six of the 177 ageing tanks at the Hanford site in Washington state where the nation stores two-thirds of its high-level nuclear waste, most of it from the production of nuclear bombs.</p> <p>The site houses 200 million litres of radioactive and hazardous waste, and <a href="/article/mg19926642-900-contaminated-us-site-faces-catastrophic-nuclear-leak">67 tanks have leaked waste before</a>. The new leaks undermine recent reassurances that the dump is now secure.</p> <p>The biggest worry is that highly radioactive sludges containing heat-generating isotopes are corroding the bottoms of the tanks, following work to drain off most of the liquid waste which allowed the isotopes to collect there, says Bob Alvarez of the <a href="http://www.ips-dc.org/">Institute of Policy Studies</a> in Washington DC.</p> <p>“There is no immediate public health risk,” said Lindsey Geisler, a spokesperson for the Department of Energy. However, much of the waste has already contaminated groundwater, says Tom Carpenter of <a href="http://www.hanfordchallenge.org/">Hanford Challenge</a>, an environmental watchdog in Seattle, Washington.</p>  <section class="article-topics"><p>More on these topics: </p><ul><li><a href="/article-topic/environment/" class="subscribe-button">environment </a></li><li><a href="/article-topic/nuclear-technology/" class="subscribe-button">nuclear technology</a></li><li><a href="/article-topic/plutonium/" class="subscribe-button">plutonium</a></li><li><a href="/article-topic/united-states/" class="subscribe-button">United States</a></li><li><a href="/article-topic/weapons/" class="subscribe-button">weapons</a></li></ul></section> </div> </div> <section class="tertiary-sidebar" id="tertiary-sidebar">  <div id="mpu-sidebar" class="mpu"> <h5>Advertisement</h5> <script type='text/javascript'> googletag.cmd.push(function() { googletag.display('mpu-sidebar'); }); </script> </div> </section> </div>  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US nuclear dump is leaking toxic waste | New Scientist