ASTM International - ASTM D6530-19

Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)

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Organization: ASTM International
Publication Date: 1 December 2019
Status: active
Page Count: 5
ICS Code (Refrigerating technology): 27.200
significance And Use:

5.1 This test method is useful for rapid determination of viable active biomass concentrations in cooling tower waters. The efficiency of cooling towers is directly affected by the concentration... View More

scope:

1.1 This test method covers the determination of viable active biomass in cooling tower water in the range from 102 to 108 cfu/mL. It is a semiquantitative test method.

1.2 This test method was used successfully with reagent water, physiologic saline, and cooling tower waters. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.

1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 9.

1.5 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.

Document History

ASTM D6530-19
December 1, 2019
Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)
1.1 This test method covers the determination of viable active biomass in cooling tower water in the range from 102 to 108 cfu/mL. It is a semiquantitative test method. 1.2 This test method was used...
June 1, 2013
Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)
1.1 This test method covers the determination of viable active biomass in cooling tower water in the range from 102 to 108 cfu/mL (1). It is a semiquantitative test method. 1.2 This test method was...
July 1, 2006
Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)
This test method is useful for rapid determination of viable active biomass concentrations in cooling tower waters. The efficiency of cooling towers is directly affected by the concentration of...
March 10, 2000
Standard Test Method for Total Active Biomass in Cooling Tower Waters (Kool Kount Assay; KKA)
1.1 This test method covers the determination of viable active biomass in cooling tower water in the range from 102 to 108 cfu/mL (1). It is a semiquantitative test method. 1.2 This test method was...
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