The commission by rule shall require an applicant for a new hazardous waste landfill filed after January 1, 1986, to provide an engineering report evaluating:

1. (1) the benefits, if any, associated with constructing the landfill above existing grade at the proposed site;
2. (2) the costs associated with the above grade construction; and
3. (3) the potential adverse effects, if any, that would be associated with the above grade construction.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.