Section 742.910  Alternative Models

Any proposals for the use of models other than those specified in Tier 2 shall be submitted to the Agency for review and approval.  A submittal under this Section shall include the following information:

a)         Physical and chemical properties of contaminants of concern;

b)         Contaminant movement properties;

c)         Contaminant availability to receptors;

d)         Receptor exposure to the contaminants of concern;

e)         Mathematical and technical justification for the model proposed;

f)         A licensed copy of the model, if the Agency does not have a licensed copy of the model currently available for use; and

g)         Demonstration that the models were correctly applied.