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ASTM D6689-01(2006)

(Guide)

Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization

Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization

SCOPE
1.1 This guide describes a protocol for optimizing, controlling, and reporting test method uncertainties from multiple workstations in the same laboratory organization. It does not apply when different test methods, dissimilar instruments, or different parts of the same laboratory organization function independently to validate or verify the accuracy of a specific analytical measurement.
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 requirements prior to use.

General Information

Status
Historical
Publication Date
14-Aug-2006
ICS
03.120.20 - Product and company certification. Conformity assessment
Technical Committee
D19 - Water
Drafting Committee
D19.02 - Quality Systems, Specification, and Statistics
Current Stage
Ref Project

Relations

Replaces
ASTM D6689-01 - Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization
Effective Date
15-Aug-2006
Replaced By
ASTM D6689-01(2011) - Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization
Effective Date
01-May-2011

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ASTM D6689-01(2006) - Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory OrganizationASTM D6689-01(2006) - Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization
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ASTM D6689-01(2006) - Standard Guide for Optimizing, Controlling and Reporting Test Method Uncertainties from Multiple Workstations in the Same Laboratory Organization
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D6689–01 (Reapproved 2006)
Standard Guide for
Optimizing, Controlling and Reporting Test Method
Uncertainties from Multiple Workstations in the Same
1
Laboratory Organization
This standard is issued under the fixed designation D6689; 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 ments for the Competence of Calibration and Testing
3
Laboratories
1.1 This guide describes a protocol for optimizing, control-
ling, and reporting test method uncertainties from multiple
3. Terminology
workstations in the same laboratory organization. It does not
3.1 Definitions—For definitions of terms used in this Guide,
apply when different test methods, dissimilar instruments, or
refer to Terminology E135 and D1129.
different parts of the same laboratory organization function
3.2 Defintions of Terms Specific to This Standard:
independently to validate or verify the accuracy of a specific
3.2.1 laboratory organization—a business entity that pro-
analytical measurement.
vides similar types of measurements from more than one
1.2 This standard does not purport to address all of the
workstation located in one or more laboratories, all of which
safety concerns, if any, associated with its use. It is the
operate under the same quality system.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
NOTE 1—KeyaspectsofaqualitysystemarecoveredinISO 17025and
bility of regulatory requirements prior to use. include documenting procedures, application of statistical control to
measurement processes and participation in proficiency testing.
2. Referenced Documents
3.2.2 maximum deviation—the maximum error associated
2
2.1 ASTM Standards:
with a report value, at a specified confidence level, for a given
D1129 Terminology Relating to Water
concentration of a given element, determined by a specific
D6091 Practice for 99 %/95 % Interlaboratory Detection
method, throughout a laboratory organization.
Estimate (IDE) for Analytical Methods with Negligible
3.2.3 measurement quality objectives—a model used by the
Calibration Error
laboratory organization to specify the maximum error associ-
D6512 Practice for Interlaboratory Quantitation Estimate
ated with a report value, at a specified confidence level.
E135 Terminology Relating to Analytical Chemistry for
3.2.4 workstation—a combination of people and equipment
Metals, Ores, and Related Materials
that executes a specific test method using a single specified
E415 Test Method for Atomic Emission Vacuum Spectro-
measuring device to quantify one or more parameters, with
metric Analysis of Carbon and Low-Alloy Steel
each report value having an established estimated uncertainty
E1763 Guide for Interpretation and Use of Results from
that complies with the measurement quality objectives of the
Interlaboratory Testing of Chemical Analysis Methods
laboratory organization.
STP 15D ASTM Manual on Presentation of Data and
4. Significance and Use
Control Chart Analysis, Prepared by Committee E11 on
Statistical Methods
4.1 Many analytical laboratories comply with accepted
2.2 Other Documents:
quality system requirements such as NELAC chapter 5 (see
ISO 17025 (previously ISO Guide 25) General Require-
Note 2) and ISO 17025. When using standard test methods,
their test results on the same sample should agree with those
from other similar laboratories within the reproducibility
1
This guide is under the jurisdiction ofASTM Committee D19 on Water and is
estimates (R2) published in the standard. Reproducibility
the direct responsibility of Subcommittee D19.02 on General Specifications,
estimates are generated during the standardization process as
Technical Resources, and Statistical Methods.
part of the interlaboratory studies (ILS). Many laboratories
Current edition approved Aug. 15, 2006. Published August 2006. Originally
approved in 2001. Last previous edition approved in 2001 as D6689 – 01. DOI: participate in proficiency tests to confirm that they perform
10.1520/D6689-01R06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from American National Standards Institute, 25 West 43rd St., 4th
the ASTM website. Floor, New York, New York, 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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D6689–01 (2006)
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