div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Avantu presentation3 src=https:reader035fdocumentsinreader035viewer202206230855cd6404bb61eb4f388b4709html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Avantu presentation3 src=https:reader035fdocumentsinreader035viewer202206230855cd6404bb61eb4f388b4709html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divpHumansdorp Sewage Treatment Worksp pAeration Chambers beforep pdosing commencedpdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Avantu presentation3 src=https:reader035fdocumentsinreader035viewer202206230855cd6404bb61eb4f388b4709html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divpHumansdorp Sewage Treatment Worksp p4 weeks after dosing commencedpdiv