div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: srswatchorg · 2019-08-16 · WIPPs ventilation system automatically switched to high-efficiency particulate air HEPA filtration mode when airborne radiation was detected underground src=https:reader034fdocumentsinreader034viewer20220422005e9f65a8b54c7734aa6e6d94html5thumbnails1jpg 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: srswatchorg · 2019-08-16 · WIPPs ventilation system automatically switched to high-efficiency particulate air HEPA filtration mode when airborne radiation was detected underground src=https:reader034fdocumentsinreader034viewer20220422005e9f65a8b54c7734aa6e6d94html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: srswatchorg · 2019-08-16 · WIPPs ventilation system automatically switched to high-efficiency particulate air HEPA filtration mode when airborne radiation was detected underground src=https:reader034fdocumentsinreader034viewer20220422005e9f65a8b54c7734aa6e6d94html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: srswatchorg · 2019-08-16 · WIPPs ventilation system automatically switched to high-efficiency particulate air HEPA filtration mode when airborne radiation was detected underground src=https:reader034fdocumentsinreader034viewer20220422005e9f65a8b54c7734aa6e6d94html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: srswatchorg · 2019-08-16 · WIPPs ventilation system automatically switched to high-efficiency particulate air HEPA filtration mode when airborne...