1.0Arsenichttps://umaine.edu/arsenicrich900600<blockquote class="wp-embedded-content" data-secret="MUi5zJuOIG"><a href="https://umaine.edu/arsenic/where-is-arsenic-a-problem/">Where is arsenic a problem?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://umaine.edu/arsenic/where-is-arsenic-a-problem/embed/#?secret=MUi5zJuOIG" width="100%" height="338" title="“Where is arsenic a problem?” — Arsenic" data-secret="MUi5zJuOIG" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> The following is a list of countries that have identified areas of high arsenic in their water resources. Some are naturally occurring in groundwater, some come from geothermal sources (such as hot springs) and some are affected by mining. Countries that are not listed may have problems that have either not yet been recognized, or […]https://umaine.edu/arsenic/wp-content/uploads/sites/369/2015/03/USGS_gw.jpg770516