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		<id>https://www.scipedia.com/wd/index.php?action=history&amp;feed=atom&amp;title=Clark_et_al_2011a</id>
		<title>Clark et al 2011a - Revision history</title>
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		<updated>2026-04-17T00:28:17Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.scipedia.com/wd/index.php?title=Clark_et_al_2011a&amp;diff=182500&amp;oldid=prev</id>
		<title>Scipediacontent: Scipediacontent moved page Draft Content 657505340 to Clark et al 2011a</title>
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				<updated>2021-01-21T13:53:09Z</updated>
		
		<summary type="html">&lt;p&gt;Scipediacontent moved page &lt;a href=&quot;/public/Draft_Content_657505340&quot; class=&quot;mw-redirect&quot; title=&quot;Draft Content 657505340&quot;&gt;Draft Content 657505340&lt;/a&gt; to &lt;a href=&quot;/public/Clark_et_al_2011a&quot; title=&quot;Clark et al 2011a&quot;&gt;Clark et al 2011a&lt;/a&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 13:53, 21 January 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan='2' style='text-align: center;' lang='en'&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Scipediacontent</name></author>	</entry>

	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Clark_et_al_2011a&amp;diff=182499&amp;oldid=prev</id>
		<title>Scipediacontent: Created page with &quot; == Abstract ==  During the last ten years, the nation has become increasingly aware of the potential for environmental damage from leaks in underground and aboveground storag...&quot;</title>
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				<updated>2021-01-21T13:53:07Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot; == Abstract ==  During the last ten years, the nation has become increasingly aware of the potential for environmental damage from leaks in underground and aboveground storag...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Abstract ==&lt;br /&gt;
&lt;br /&gt;
During the last ten years, the nation has become increasingly aware of the potential for environmental damage from leaks in underground and aboveground storage tanks, and related pipelines. Federal and state regulations have been developed that mandate inspections, require regular testing and set out design standards of construction for underground storage systems. More specifically, existing federal regulations (40 CFR Parts 280 and 281, September 1988) require that underground tanks and pipelines containing petroleum products and other hazardous substances be tested for leaks on a regular basis and that once a leak has been detected, it be corrected. While this requirement appears to be relatively simple, it, in fact, presents substantial difficulty in implementation. The difficulties are of two types.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Original document ==&lt;br /&gt;
&lt;br /&gt;
The different versions of the original document can be found in:&lt;br /&gt;
&lt;br /&gt;
* [https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3286&amp;amp;context=qnde https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3286&amp;amp;context=qnde]&lt;br /&gt;
&lt;br /&gt;
* [http://www.springerlink.com/index/pdf/10.1007/978-1-4613-0383-1_242 http://www.springerlink.com/index/pdf/10.1007/978-1-4613-0383-1_242],&lt;br /&gt;
: [http://dx.doi.org/10.1007/978-1-4613-0383-1_242 http://dx.doi.org/10.1007/978-1-4613-0383-1_242]&lt;br /&gt;
&lt;br /&gt;
* [https://lib.dr.iastate.edu/qnde/1996/allcontent/242 https://lib.dr.iastate.edu/qnde/1996/allcontent/242],&lt;br /&gt;
: [https://link.springer.com/chapter/10.1007/978-1-4613-0383-1_242 https://link.springer.com/chapter/10.1007/978-1-4613-0383-1_242],&lt;br /&gt;
: [https://core.ac.uk/display/38894630 https://core.ac.uk/display/38894630],&lt;br /&gt;
: [https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3286&amp;amp;context=qnde https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=3286&amp;amp;context=qnde],&lt;br /&gt;
: [https://academic.microsoft.com/#/detail/52982245 https://academic.microsoft.com/#/detail/52982245]&lt;/div&gt;</summary>
		<author><name>Scipediacontent</name></author>	</entry>

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