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ASTM D 7847 : 2017 : REDLINE

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Guide for Interlaboratory Studies for Microbiological Test Methods
Available format(s)

PDF

Superseded date

23-08-2022

Language(s)

English

Published date

28-06-2017

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 05.04, 2017 Describes challenges that are unique relative to chemical or physical parameters, because microbes proliferate, die off and continue to be metabolically active in samples after those samples have been drawn from their source.

1.1Microbiological test methods present challenges that are unique relative to chemical or physical parameters, because microbes proliferate, die off and continue to be metabolically active in samples after those samples have been drawn from their source.

1.1.1Microbial activity depends on the presence of available water. Consequently, the detection and quantification of microbial contamination in fuels and lubricants is made more complicated by the general absence of available water from these fluids.

1.1.2Detectability depends on the physiological state and taxonomic profile of microbes in samples. These two parameters are affected by various factors that are discussed in this guide, and contribute to microbial data variability.

1.2This guide addresses the unique considerations that must be accounted for in the design and execution of interlaboratory studies intended to determine the precision of microbiological test methods designed to quantify microbial contamination in fuels, lubricants and similar low water-content (water activity <0.8) fluids.

1.3This 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.

1.4This 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.

Committee
D 02
DocumentType
Redline
Pages
9
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 7687 : 2017 : REDLINE Standard Test Method for Measurement of Cellular Adenosine Triphosphate in Fuel and Fuel-associated Water With Sample Concentration by Filtration
ASTM D 8070 : 2016 Standard Test Method for Screening of Fuels and Fuel Associated Aqueous Specimens for Microbial Contamination by Lateral Flow Immunoassay
ASTM D 7978 : 2014 Standard Test Method for Determination of the Viable Aerobic Microbial Content of Fuels and Associated Water—Thixotropic Gel Culture Method

ASTM E 1326 : 2015-07 GUIDE FOR EVALUATING NON-CULTURE MICROBIOLOGICAL TESTS
ASTM D 1129 : 2013 : REDLINE Standard Terminology Relating to Water
ASTM D 7464 : 2014 : REDLINE Standard Practice for Manual Sampling of Liquid Fuels, Associated Materials and Fuel System Components for Microbiological Testing
ASTM D 7978 : 2014 Standard Test Method for Determination of the Viable Aerobic Microbial Content of Fuels and Associated Water—Thixotropic Gel Culture Method
ASTM D 156 : 2015 : REDLINE Standard Test Method for Saybolt Color of Petroleum Products (Saybolt Chromometer Method)
ASTM E 2756 : 2010 Standard Terminology Relating to Antimicrobial and Antiviral Agents
ASTM E 1601 : 2012 : REDLINE Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
ASTM D 8070 : 2016 Standard Test Method for Screening of Fuels and Fuel Associated Aqueous Specimens for Microbial Contamination by Lateral Flow Immunoassay
ASTM D 4012 : 2015 : REDLINE Standard Test Method for Adenosine Triphosphate (ATP) Content of Microorganisms in Water
ASTM D 6974 : 2016 : REDLINE Standard Practice for Enumeration of Viable Bacteria and Fungi in Liquid Fuels—Filtration and Culture Procedures
ASTM D 6469 : 2017 : REDLINE Standard Guide for Microbial Contamination in Fuels and Fuel Systems
ASTM D 7687 : 2017 : REDLINE Standard Test Method for Measurement of Cellular Adenosine Triphosphate in Fuel and Fuel-associated Water With Sample Concentration by Filtration

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