div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Avantu presentation3 src=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: Avantu presentation3 src=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divpHumansdorp Sewage Treatment Worksp pAeration Chambers beforep pdosing commencedpdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: Avantu presentation3 src=https:reader042fdocumentsnetreader042viewer202203230055cd6461bb61eb45388b4721html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divpHumansdorp Sewage Treatment Worksp p4 weeks after dosing commencedpdiv