Delaware Code
Chapter 19. LIMING MATERIALS
§ 1903. Definitions of words and terms.

(a) “Agricultural liming materials” means all suitable materials containing calcium or magnesium in chemical form, physical condition and quantity capable of neutralizing soil acidity.
(b) “Limestone” means a material consisting essentially of calcium carbonate or a combination of calcium carbonate with magnesium carbonate capable of neutralizing soil acidity.
(1) “Calcitic limestone” shall derive a minimum of 36% calcium from calcium carbonate and the calcium carbonate equivalent shall not be less than 90%;
(2) “Dolomitic limestone” shall derive a minimum of 10% of its neutralizing value from magnesium carbonate and a minimum of 20% calcium from calcium carbonate and calcium carbonate equivalent of 90%.
(c) “Burnt lime” means a material, made from limestone which consists essentially of calcium oxide or combination of calcium oxide with magnesium oxide.
(d) “Hydrated lime” means a material, made from lime, which consists essentially of calcium hydroxide or a combination of calcium hydroxide with magnesium oxide and/or magnesium hydroxide.
(e) “Brand” means the term, designation, trademark or other specific designation under which an individual agricultural liming material is offered for sale.
(f) “Fineness” means the percentage by weight of the material which will pass sieves of specified sizes. The fineness shall be measured in reference to 10 mesh and 60 mesh sieves of United States standard designation.
(g) The fineness guarantee is defined as:

(1) Minimum percentage passing through a 10 mesh sieve;
(2) Minimum percentage passing through a 60 mesh sieve.
Provided, however, that in lieu of this subsection, the Department may in its regulations set minimum standards for fineness for various grades of liming materials, and such grades, when stated, shall become the minimum guarantees of the liming materials so labeled.
(h) “Ton” means a net weight of 2,000 pounds avoirdupois.
(i) “Percent” or “percentage” means by weight.
(j) “Bulk” means in nonpackaged form.
(k) “Label” means any written or printed matter on or attached to the package or on the delivery ticket which accompanies bulk shipments.
(l) “Person” means individual, partnership, association, firm or corporation.