Section 329IAC10-2-188.1. "Topsoil" defined  


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  •   1. "Topsoil" means any of the following:

    (1) The dark-colored surface layer, or A horizon, of a soil. When present, it ranges in depth from a fraction of an inch to three (3) feet.

    (2) Surface soil equivalent to the plow layer of cultivated soils.

    (3) Refers to any surface layers enriched in organic matter and having textural and structural characteristics favorable to plant growth.

    (Solid Waste Management Division; 329 IAC 10-2-188.1; filed Mar 19, 1998, 11:07 a.m.: 21 IR 2748)