div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader043vdocumentsmxreader043viewer20220406175f214f8b076d1127870a011bhtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsGroundwater · 2018-08-10 · Background Inorganic arsenic is a well-known human poison that causes a src=https:reader043vdocumentsmxreader043viewer20220406175f214f8b076d1127870a011bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader043vdocumentsmxreader043viewer20220406175f214f8b076d1127870a011bhtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: University of Wisconsin–MadisonimageslibrarywisceduEcoNatResEFacsGroundwater · 2018-08-10 · Background Inorganic arsenic is a well-known human poison that causes a src=https:reader043vdocumentsmxreader043viewer20220406175f214f8b076d1127870a011bhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdiv