You encounter four different types of soil while working on a large project. Their

liquid limits$,$ plastic limits$,$ and in situ water contents are listed in Table $2.$

Determine the plasticity index

Determine the liquidity index

Describe the probable clay content

Table $2.$ Atterberg limits results for four soils encountered in a large project.

Soil #

$1$

$2$

$3$

$4$

$4$

$28\mathrm{.}8$

$9\mathrm{.}6$

$21\mathrm{.}3$

$47\mathrm{.}7$

$20\mathrm{.}2$

In situ water

content, w $(\%)$

$50\mathrm{.}9$

$56\mathrm{.}7$

$39\mathrm{.}8$

$28\mathrm{.}0$