DSHW-2024-009458

Memo
To: Tyler Richards
From: Brett Mickelson
cc:
Date: 10 21 2024
Re: Soil Approval for Logan Landfill Final Cover

IGES has performed testing on soil samples that Logan City would like to utilize in the construction of the
final cover at the Logan Landfill. The three soil samples tested classify as a fat clays (CH) with Plasticity
Index of 32, 33, and 34. The bulk of the soil was finer that a #200 sieve with no less than 93.7 percent
passing the #200 sieve on any of the three soil samples tested. The soils tested for use in the final
landfill cover will meet the requirements of R315-303-3(4). The laboratory testing results area are
attached.

If you have questions or comments regarding the laboratory test results, please call at your earliest
convenience.

Respectfully,

Brett Mickelson, P.E.
IGES, Inc.