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ASTM E2554-07

(Practice)

Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program

Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program

SIGNIFICANCE AND USE
Laboratories accredited under ISO 17025 are required to present uncertainty estimates for their test results. This practice provides procedures that use test results to develop uncertainty estimates for an individual laboratory.
Generally, these test results will be from a single sample of stable and homogeneous material known as a control or check sample.
The true value of the characteristic(s) of the control sample being measured will ordinarily be unknown. However, this methodology may also be used if the control sample is a reference material, in which case the test method bias may also be estimated and incorporated into the uncertainty estimate. Many test methods do not have true reference materials available to provide traceable chains of uncertainty estimation.
This practice also allows for ongoing monitoring of the laboratory uncertainty. As estimates of the level of uncertainty change, possibly as contributions to uncertainty are identified and minimized, revision to the laboratory uncertainty will be possible.
SCOPE
1.1 This practice describes techniques for a laboratory to estimate the uncertainty of a test result using data from test results on a control sample.
1.2 Uncertainty as defined by this practice applies to the capabilities of a single laboratory. Any estimate of uncertainty determined through the use of this practice applies only to the individual laboratory for which the data are presented.
1.3 The laboratory uses a well defined and established test method in determining a series of test results. The uncertainty estimated using this practice only applies when the same test method is followed. The uncertainty only applies for the material types represented by the control samples, and multiple control samples may be needed, especially if the method has different precision for different sample types or response levels.
1.4 The uncertainty estimate determined by this practice represents the intermediate precision of test results. This estimate seeks to quantify the total variation expected within a single laboratory using a single established test method while incorporating as many known sources of variation as possible.
1.5 This practice does not establish error estimates (error budget) attributed to individual factors that could influence uncertainty.
1.6 This practice describes the use of control charts to evaluate the data obtained and presents a special type of control chart to monitor the estimate of uncertainty.
1.7 The system of units for this Standard is not specified. Dimensional quantities in the Standard are presented only as illustrations of calculation methods. The examples are not binding on products or test methods treated.
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.

General Information

Status
Historical
Publication Date
30-Apr-2007
ICS
03.120.10 - Quality management and quality assurance
19.020 - Test conditions and procedures in general
Technical Committee
E11 - Quality and Statistics
Drafting Committee
E11.20 - Test Method Evaluation and Quality Control
Current Stage
Ref Project

Relations

Replaced By
ASTM E2554-13 - Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method Using Control Chart Techniques
Effective Date
01-Apr-2013
Referred By
ASTM D5994/D5994M-10(2021) - Standard Test Method for Measuring Core Thickness of Textured Geomembranes
Effective Date
01-May-2007
Referred By
ASTM D8064-16 - Standard Test Method for Elemental Analysis of Soil and Solid Waste by Monochromatic Energy Dispersive X-ray Fluorescence Spectrometry Using Multiple Monochromatic Excitation Beams
Effective Date
01-May-2007
Referred By
ASTM D7448-16 - Standard Practice for Establishing the Competence of Laboratories Using ASTM Procedures in the Sampling and Analysis of Coal and Coke
Effective Date
01-May-2007
Referred By
ASTM D7858-13(2018) - Standard Test Method for Determination of Bisphenol A in Soil, Sludge, and Biosolids by Pressurized Fluid Extraction and Analyzed by Liquid Chromatography/Tandem Mass Spectrometry
Effective Date
01-May-2007
Referred By
ASTM E2655-14(2020) - Standard Guide for Reporting Uncertainty of Test Results and Use of the Term Measurement Uncertainty in ASTM Test Methods
Effective Date
01-May-2007
Referred By
ASTM C1210-21 - Standard Guide for Establishing a Measurement System Quality Control Program for Analytical Chemistry Laboratories Within Nuclear Industry
Effective Date
01-May-2007
Referred By
ASTM E1323-15(2020) - Standard Guide for Evaluating Laboratory Measurement Practices and the Statistical Analysis of the Resulting Data
Effective Date
01-May-2007
Referred By
ASTM D8018-15(2020) - Standard Test Method for Determination of (Tri-n-butyl)-n-tetradecylphosphonium chloride (TTPC) in Soil by Multiple Reaction Monitoring Liquid Chromatography/Mass Spectrometry (LC/MS/MS)
Effective Date
01-May-2007
Referred By
ASTM D7600-16(2017) - Standard Test Method for Determination of Aldicarb, Carbofuran, Oxamyl and Methomyl by Liquid Chromatography/Tandem Mass Spectrometry
Effective Date
01-May-2007
Referred By
ASTM C1068-21 - Standard Guide for Qualification of Measurement Methods by a Laboratory Within the Nuclear Industry
Effective Date
01-May-2007
Referred By
ASTM E384-22 - Standard Test Method for Microindentation Hardness of Materials
Effective Date
01-May-2007
Referred By
ASTM D7968-17a - Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
Effective Date
01-May-2007
Referred By
ASTM E2838-21 - Standard Test Method for Determination of Thiodiglycol on Wipes by Solvent Extraction Followed by Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Effective Date
01-May-2007
Referred By
ASTM D7979-20 - Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances in Water, Sludge, Influent, Effluent, and Wastewater by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
Effective Date
01-May-2007

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ASTM E2554-07 - Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample ProgramASTM E2554-07 - Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program
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ASTM E2554-07 - Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method in a Single Laboratory Using a Control Sample Program
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E2554 − 07 AnAmerican National Standard
Standard Practice for
Estimating and Monitoring the Uncertainty of Test Results
of a Test Method in a Single Laboratory Using a Control
1
Sample Program
This standard is issued under the fixed designation E2554; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This practice describes techniques for a laboratory to
estimate the uncertainty of a test result using data from test
2. Referenced Documents
results on a control sample.
2
2.1 ASTM Standards:
1.2 Uncertainty as defined by this practice applies to the
D5184 Test Methods for Determination of Aluminum and
capabilities of a single laboratory.Any estimate of uncertainty
Silicon in Fuel Oils by Ashing, Fusion, Inductively
determined through the use of this practice applies only to the
Coupled Plasma Atomic Emission Spectrometry, and
individual laboratory for which the data are presented.
Atomic Absorption Spectrometry
1.3 The laboratory uses a well defined and established test E177 Practice for Use of the Terms Precision and Bias in
method in determining a series of test results. The uncertainty
ASTM Test Methods
estimated using this practice only applies when the same test E456 Terminology Relating to Quality and Statistics
method is followed. The uncertainty only applies for the
51707 Guide for Estimating Uncertainties in Dosimetry for
materialtypesrepresentedbythecontrolsamples,andmultiple Radiation Processing
control samples may be needed, especially if the method has
E2282 Guide for Defining the Test Result of a Test Method
differentprecisionfordifferentsampletypesorresponselevels. 2.2 ASTM Publication:
Manual on Presentation of Data and Control Chart Analy-
1.4 The uncertainty estimate determined by this practice
2
sis, 7th Edition
represents the intermediate precision of test results. This
2.3 ISO Standard:
estimate seeks to quantify the total variation expected within a
ISO 17025 General Requirements for the Competence of
single laboratory using a single established test method while
3
Testing and Calibration Laboratories
incorporating as many known sources of variation as possible.
1.5 This practice does not establish error estimates (error
3. Terminology
budget) attributed to individual factors that could influence
3.1 Definitions:
uncertainty.
3.1.1 The terminology of Terminology E456 applies to this
1.6 This practice describes the use of control charts to
practice except as modified herein.
evaluatethedataobtainedandpresentsaspecialtypeofcontrol
3.1.2 control sample, n—sample taken from a stable, homo-
chart to monitor the estimate of uncertainty.
geneous material for the purposes of monitoring the perfor-
mance of a test method in a laboratory.
1.7 The system of units for this Standard is not specified.
3.1.2.1 Discussion—The control sample material is repre-
Dimensional quantities in the Standard are presented only as
sentativeoftheproducttypicallytestedinthelaboratorybythe
illustrations of calculation methods. The examples are not
given test method. A control sample is run periodically using
binding on products or test methods treated.
thecompletetestmethodprotocoltodevelopatestresult.Such
1.8 This standard does not purport to address all of the
test results may be statistically evaluated to monitor test
safety concerns, if any, associated with its use. It is the
method performance over time. It is not necessary to have an
responsibility of the user of this standard to establish appro-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This practice is under the jurisdiction ofASTM Committee E11 on Quality and contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Statistics and is the direct responsibility of Subcommittee E11.20 on Test Method Standards volume information, refer to the standard’s Document Summary page on
Evaluation and Quality Control. the ASTM website.
3
Current edition approved May 1, 2007. Published June 2007. DOI: 10.1520/ Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
E2554-07. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E2554 − 07
accepted reference value assigned to the control sample mate- reference material, in which case the test method bias may also
rial. When the current material is nea
...

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Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method Using Control Chart Techniques

ABSTRACT
This practice describes techniques for a laboratory to estimate the uncertainty of a test result using data from test results on a control sample. This practice provides one method for a laboratory to estimate Measurement Uncertainty in accordance with Section A22.3 in Form and Style for ASTM Standards. This practice describes the use of control charts to evaluate the data obtained and presents a special type of control chart to monitor the estimate of uncertainty.
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1.1 This practice describes techniques for a laboratory to estimate the uncertainty of a test result using data from test results on a control sample. This practice provides one method for a laboratory to estimate Measurement Uncertainty in accordance with Section A22.3 in Form and Style for ASTM Standards.  
1.2 Uncertainty as defined by this practice applies to the capabilities of a single laboratory. Any estimate of uncertainty determined through the use of this practice applies only to the individual laboratory for which the data are presented.  
1.3 The laboratory uses a well defined and established test method in determining a series of test results. The uncertainty estimated using this practice only applies when the same test method is followed. The uncertainty only applies for the material types represented by the control samples, and multiple control samples may be needed, especially if the method has different precision for different sample types or response levels.  
1.4 The uncertainty estimate determined by this practice represents the intermediate precision of test results. This estimate seeks to quantify the total variation expected within a single laboratory using a single established test method while incorporating as many known sources of variation as possible.  
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1.6 This practice describes the use of control charts to evaluate the data obtained and presents a special type of control chart to monitor the estimate of uncertainty.  
1.7 The system of units for this standard is not specified. Dimensional quantities in the standard are presented only as illustrations of calculation methods. The examples are not binding on products or test methods treated.  
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Standard Practice for Estimating and Monitoring the Uncertainty of Test Results of a Test Method Using Control Chart Techniques

ABSTRACT
This practice describes techniques for a laboratory to estimate the uncertainty of a test result using data from test results on a control sample. This practice provides one method for a laboratory to estimate Measurement Uncertainty in accordance with Section A22.3 in Form and Style for ASTM Standards. This practice describes the use of control charts to evaluate the data obtained and presents a special type of control chart to monitor the estimate of uncertainty.
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SIGNIFICANCE AND USE
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4.2 Laboratories accredited under ISO/IEC 17025 are required to present uncertainty estimates for their test results. This practice provides procedures that use test results to develop uncertainty estimates for an individual laboratory.  
4.3 Generally, these test results will be from a single sample of stable and homogeneous material known as a control or check sample.  
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1.1 This practice describes techniques for a laboratory to estimate the uncertainty of a test result using data from test results on a control sample. This practice provides one method for a laboratory to estimate Measurement Uncertainty in accordance with Section A22.3 in Form and Style for ASTM Standards.  
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Standard Specification for Nickel Alloy Billets and Bars for Reforging

ABSTRACT
This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
SCOPE
1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
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 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, 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.

  • Technical specification
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  • Technical specification
    5 pages
    English language
    sale 15% off