ASTM C 911:2019

1.1 This specification covers lime and limestone products suitable for the following chemical and industrial uses: Cooking rags Sulfite pulp Silica brick Other water treatment uses Calcium carbide Grease Calcium silicate products Hypochlorite (bleach) The following uses are addressed in other ASTM standards: Use Standard(s) Neutralization of Waste Acid (Test Methods) C400 Agricultural Liming Materials C602 Soil Stabilization C977 Asphalt C1097 Flue Gas Desulfurization (Test Methods) C1318 Drinking Water Softening C1529 Waste and Wastewater Neutralization C1529 Wastewater Treatment Plant Residuals (Biosolids) Stabilization C1529 and D6249 1.2 The type designations in Table 1 signify the following: Limestone, high-calcium-CL Limestone, dolomitic-DL Limestone, magnesian-ML Quicklime, high-calcium-CQ Quicklime, dolomitic-DQ Quicklime, magnesian-MQ Hydrated lime, high-calcium-CH Hydrated lime, dolomitic-DH Hydrated lime, magnesian-MH 1.3 The buyer shall designate the use, as listed in Table 1 , and may specify one or more of the type designations in 1.1 . 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

91.100.10