HDPE membrane on top of the attic fill on former Sulfate Basin
a post-decontamination concrete chip sample inside the Polymer
Ash Stockpile as seen from the former Fly Ash Basin 6.
attic fill on the former Sulfate Basin 4.
meters continuously monitor the air outside the buildings work
area in Section VI.
States Army Corps of Engineers demolishes Section II as seen
from a nearby roof.