div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails21jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imageimg data-url=helium-tracer-tests-for-assessing-air-recovery-and-air-helium-tracer-tests-forhtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: Helium Tracer Tests for Assessing Air Recovery and Air · Title: Helium Tracer Tests for Assessing Air Recovery and Air Distribution During In Situ Air Sparging Author: RL Johnson loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220225125aea00c07f8b9aee079197ddhtml5thumbnails22jpg width=140 height=200 divdiv