35 Ill. Adm. Code 724.409
Surveying and Recordkeeping
Section 724
Section 724.409Â Surveying
and Recordkeeping
The owner or operator of a
landfill must maintain the following items in the operating record required
under Section 724.173:
a)Â Â Â Â Â Â Â Â On a map, the exact location and dimensions, including depth,
of each cell with respect to permanently surveyed benchmarks; and
b)Â Â Â Â Â Â Â Â The contents of each cell and the approximate location of each
hazardous waste type within each cell.