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	<id>http://earthwise.bgs.ac.uk/index.php?action=history&amp;feed=atom&amp;title=OR%2F18%2F012_Receptors</id>
	<title>OR/18/012 Receptors - Revision history</title>
	<link rel="self" type="application/atom+xml" href="http://earthwise.bgs.ac.uk/index.php?action=history&amp;feed=atom&amp;title=OR%2F18%2F012_Receptors"/>
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	<updated>2026-05-11T06:59:46Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.42.3</generator>
	<entry>
		<id>http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=44207&amp;oldid=prev</id>
		<title>Dbk: /* Groundwater protection in England */</title>
		<link rel="alternate" type="text/html" href="http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=44207&amp;oldid=prev"/>
		<updated>2019-12-03T10:50:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Groundwater protection in England&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:50, 3 December 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l166&quot;&gt;Line 166:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 166:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;and where this is employed in conjunction with the use of the ‘precautionary principle’.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;and where this is employed in conjunction with the use of the ‘precautionary principle’.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA (2017b)&amp;lt;ref name=&quot;EA 2017b&quot;&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ENVIRONMENT AGENCY. 2017b. The Environment Agency’s approach to groundwater protection. November 2017 Version 1.1 [online]. Available from https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/658135/LIT_7660.pdf [cited 16 January 2018].      &lt;/del&gt;&amp;lt;/ref&amp;gt; provides position statements that apply to developments and activities in SPZ1 for a range of activities, including: Underground coal gasification, coal bed methane and shale gas extraction (C6) and oil and conventional hydrocarbon exploration and extraction (C7). Position statement C6 states:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA (2017b)&amp;lt;ref name=&quot;EA 2017b&quot;&amp;gt;&amp;lt;/ref&amp;gt; provides position statements that apply to developments and activities in SPZ1 for a range of activities, including: Underground coal gasification, coal bed methane and shale gas extraction (C6) and oil and conventional hydrocarbon exploration and extraction (C7). Position statement C6 states:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;::&amp;#039;&amp;#039;“The Environment Agency will, where appropriate, work in partnerships on initiatives to facilitate development of sustainable sources of energy. However, it will normally object to UCG, CBM or shale gas extraction infrastructure or activity within a SPZ1. This includes subsurface SPZ1 areas which are confined by impermeable strata at the surface.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;::&amp;#039;&amp;#039;“The Environment Agency will, where appropriate, work in partnerships on initiatives to facilitate development of sustainable sources of energy. However, it will normally object to UCG, CBM or shale gas extraction infrastructure or activity within a SPZ1. This includes subsurface SPZ1 areas which are confined by impermeable strata at the surface.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=44206&amp;oldid=prev</id>
		<title>Dbk: /* Groundwater protection in England */</title>
		<link rel="alternate" type="text/html" href="http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=44206&amp;oldid=prev"/>
		<updated>2019-12-03T10:50:23Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Groundwater protection in England&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:50, 3 December 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l125&quot;&gt;Line 125:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 125:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===Groundwater protection in England===&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===Groundwater protection in England===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA published a revised approach to groundwater protection in November 2017 (EA, 2017b&amp;lt;ref name=&quot;EA 2017b&quot;&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ENVIRONMENT AGENCY. 2017b. The Environment Agency’s approach to groundwater protection. November 2017 Version 1.1 [online]. Available from https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/658135/LIT_7660.pdf [cited 16 January 2018]      &lt;/del&gt;&amp;lt;/ref&amp;gt;). The principles and definitions set out in that report and associated documentation are consistent with the previous, more detailed Groundwater protection: principles and practice (GP3) report (EA, 2013&amp;lt;ref name=&quot;EA 2013&quot;&amp;gt;ENVIRONMENT AGENCY. 2013. Groundwater protection: Principles and practice (GP3). August 2013 Version 1.1 [online]. Available from http://adlib.everysite.co.uk/resources/000/279/135/GP3.pdf [cited 15 September 2017].&amp;lt;/ref&amp;gt;).&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA published a revised approach to groundwater protection in November 2017 (EA, 2017b&amp;lt;ref name=&quot;EA 2017b&quot;&amp;gt;&amp;lt;/ref&amp;gt;). The principles and definitions set out in that report and associated documentation are consistent with the previous, more detailed Groundwater protection: principles and practice (GP3) report (EA, 2013&amp;lt;ref name=&quot;EA 2013&quot;&amp;gt;ENVIRONMENT AGENCY. 2013. Groundwater protection: Principles and practice (GP3). August 2013 Version 1.1 [online]. Available from http://adlib.everysite.co.uk/resources/000/279/135/GP3.pdf [cited 15 September 2017].&amp;lt;/ref&amp;gt;).&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA currently defines principal aquifers, secondary aquifers (secondary A, B and undifferentiated), and unproductive strata (Table 3.2) based on their geological characteristics, the quantity and ease with which groundwater can be obtained from the aquifers, and the extent to which they support flow in rivers and habitats.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The EA currently defines principal aquifers, secondary aquifers (secondary A, B and undifferentiated), and unproductive strata (Table 3.2) based on their geological characteristics, the quantity and ease with which groundwater can be obtained from the aquifers, and the extent to which they support flow in rivers and habitats.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=38411&amp;oldid=prev</id>
		<title>Dbk: 1 revision imported</title>
		<link rel="alternate" type="text/html" href="http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=38411&amp;oldid=prev"/>
		<updated>2018-10-19T08:55:09Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:55, 19 October 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Dbk</name></author>
	</entry>
	<entry>
		<id>http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=38410&amp;oldid=prev</id>
		<title>Ajhil at 15:02, 30 August 2018</title>
		<link rel="alternate" type="text/html" href="http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;diff=38410&amp;oldid=prev"/>
		<updated>2018-08-30T15:02:45Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;a href=&quot;http://earthwise.bgs.ac.uk/index.php?title=OR/18/012_Receptors&amp;amp;diff=38410&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>Ajhil</name></author>
	</entry>
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