Tenn. Code Ann. § 67-7-202: Definitions - Levy of tax - Exemptions

(a) "Sand, gravel, sandstone, chert and limestone" means sand, gravel, sandstone, chert and limestone severed from the earth in the process of producing a salable product by whatever means of severance used. It does not include, however, any mineral taxed under § 60-1-301 or part 1 of this chapter; any lime or limestone used for agricultural purposes; any lime or limestone used for pollution control or abatement purposes; any burnt lime, any hydrated lime or any lime or limestone used for the manufacture of cement, glass, fiberglass, rubber, paper, filler for paint, caulking, putty and roofing; rock dust for settling coal dust in underground mines or similar uses requiring chemical purity.

(b) The tax shall be levied upon the entire production in the county regardless of the place of sale or the fact that delivery may be made outside the county, except that no tax shall be due on any sand, gravel, sandstone, chert and limestone sold for use outside this state.

(c) Notwithstanding subsection (b), or any other provision to the contrary, any sand, gravel, sandstone, chert or limestone severed from the earth by the contractor and moved from one place to another on the same construction job site, or any sand, gravel, sandstone, chert, limestone, or any other kind of material when severed and used for fill by the contractor, whether from the same construction or job site or any site other than a commercial quarry, shall be exempt from mineral severance tax under this chapter.