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ASTM C159-06(2021)

Historical Reaffirmation

Standard Specification for Vitrified Clay Filter Blocks

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1.1 This specification establishes the criteria for acceptance, prior to installation, of vitrified clay filter block used in trickling filters for the treatment of sewage and industrial wastes.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 The following precautionary caveat pertains only to the test method portions shown in Annex A1 – Annex A3. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.


This specification establishes the criteria for acceptance, prior to installation, of vitrified clay filter block used in trickling filters for the treatment of sewage and industrial wastes. Filter block shall be formed from fire clay, shale, surface clay, or a combination of these materials. Chemical properties such as acid resistance; and physical properties such as compressive strength, and absorption; are detailed.


SDO ASTM: ASTM International
Document Number C159
Publication Date April 1, 2021
Language en - English
Page Count 5
Revision Level 06(2021)
Supercedes
Committee C04.20
Publish Date Document Id Type View
May 1, 2006 C0159-06 Revision
March 10, 1998 C0159-98 Revision
April 1, 2021 C0159-06R21 Reaffirmation
Nov. 1, 2016 C0159-06R16 Reaffirmation
Jan. 1, 2011 C0159-06R11 Reaffirmation