Code of Massachusetts Regulations
330 CMR - DEPARTMENT OF AGRICULTURAL RESOURCES
Title 330 CMR 15.00 - Commercial Fertilizer And Lime
Section 15.01 - Definition

Agricultural Liming Material means a product whose calcium and magnesium compounds are capable of neutralizing soilacdity.

Brand means the term, designation, trademark, product name or other specific designation under which individual agricultural liming material is offered for sale.

Burnt Lime means a material made from limestone which consists essentially of calcium oxide or a combination of calcium oxide with magnes iumoxide .

Calcium Carbonate Equivalent or "CCE" means the acid neutralizing capacity of an agricultural liming material expressed as weight percentage of calcium carbonate. CCE shall be determined by methods prescribed by the Association of Official Analytical Chemists.

Effective Neutralizing Value or "ENV" is the relative value using the calcium oxide content, magnesium oxide content and fineness to express the effectiveness of alimestone in neutralizing soil acidity. The term is synonymous with effective neutralizing power (ENP).

Fineness means the percentage by weight of the material which will pass U.S. Standard sieves of specific sizes.

Hydrated Lime means a material, made from burnt lime, which consists predominantly of calcium hydroxide or a combination of calcium hydroxide with magnesium oxide and/or magnesium hydroxide.

Industrial By-Product means any industrial waste or by-product containing calcium or calcium and magnesium in forms that will neutralize soil acidity.

Limestone means a material consisting essentially of calcium carbonate or a combination of calcium carbonate with magnesium carbonate capable of neutralizing soil acidity.

Marl means a granular or loosely consolidated earthy material composed largely of sea shell fragments and calcium carbonate.

Shells means a product obtained by grinding the shells of mollusks.