4.1.2.4   Description of Primary Treatment Technology for
          Alternative 4, Quicklime

The quicklime process has not proceeded beyond the pilot-plant
stage; therefore, no operational treatment system can be
described.  The quicklime technology is described in this
section, along with general support requirements for quicklime
treatment systems.  Figures 4-15 and 4-16 present material flow
diagrams for Scenario 1 and Scenario 2 respectively.

Quicklime Treatment System

A quicklime treatment system would need to include equipment to
perform the following:

          Reduce the particle size of the waste and screen the
waste

          Mix contaminated material with a larger volume and mass
          of quicklime

          Add water to the mixture and mix it thoroughly

          Allow the mixture to react for several hours or days
          until reactions cease

The final product will likely have two to three times the volume
of the original waste and will have a putty-like consistency that
will tend to solidify over time.  The process that may be used
under the quicklime alternative would be similar to commercial
solidification/stabilization processes (see Section 3.3.4.2.7). 
Using conventional solidification/stabilization equipment and
assuming 24-hour per day operation, the waste can be treated at a
rate of 440 tons per day.  So the 307,800 tons of waste under
Scenario 1, can be treated in 1.9 years and the 449,400 tons of
waste under Scenario 2 can be treated in 2.8 years.

The solidification rate of the material will depend on the ratio
of the ingredients (contaminated materials, quicklime, and water)
and the inherent properties of the contaminated materials.  If a
sufficiently large quantity of water is added, the residual
material will remain semisolid until the excess water evaporates.

Quicklime Support Requirements

Assuming that a commercially-available vendor of solidification
and stabilization equipment provides equipment, the quicklime
treatment system could require approximately 1,000 square feet. 
Additional space should be needed for quicklime storage. 
Electrical power can be supplied by a 60 KW diesel generator or
by a electrical hookup.  The system should be enclosed by a
building and the air treated before venting to the atmosphere.