ASTM D6809-02
(Guide)Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
Standard Guide for Quality Control and Quality Assurance Procedures for Aromatic Hydrocarbons and Related Materials
SCOPE
1.1 This guide contains non-mandatory Quality Assurance/Quality Control (QA/QC) activities that may be referenced in standards maintained by ASTM Committee D16 on Aromatic Hydrocarbons and Related Materials.
1.2 This guide does not purport to address all of the issues that may be pertinent to an active QA/QC process.
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 establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
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Designation:D6809–02
Standard Guide for
Quality Control and Quality Assurance Procedures for
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Aromatic Hydrocarbons and Related Materials
This standard is issued under the fixed designation D 6809; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 precision—the degree of agreement of repeated mea-
surement of the same property, expressed in terms of disper-
1.1 This guide contains non-mandatory Quality Assurance/
sion of test results about an arithmetical mean result obtained
Quality Control (QA/QC) activities that may be referenced in
by repetitive testing of a homogeneous sample under specified
standards maintained by ASTM Committee D16 on Aromatic
conditions. The precision of a test method is expressed
Hydrocarbons and Related Materials.
quantitatively as a standard deviation computed from the
1.2 This guide does not purport to address all of the issues
results of a series of controlled determinations. D 4790
that may be pertinent to an active QA/QC process.
3.1.2 quality assurance—the general activity of providing
1.3 This standard does not purport to address all of the
evidence needed to establish confidence that the quality func-
safety concerns, if any, associated with its use. It is the
tion is being effectively performed; may include quality
responsibility of the user of this standard to establish appro-
planning, quality control, quality improvement, quality audit,
priate safety and health practices and determine the applica-
and reliability. Juran’s Quality Control Handbook
bility of regulatory requirements prior to use.
3.1.3 quality control—the specific tools, skills, or tech-
2. Referenced Documents niques through which the quality function is carried out, can be
part of a control process, for example, product inspection.
2.1 ASTM Standards:
Juran’s Quality Control Handbook
D 4790 Terminology of Aromatic Hydrocarbons and Re-
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lated Chemicals
4. Summary of Guide
E 177 Practice for the Use of the Terms Precision and Bias
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4.1 This guide contains non-mandatory information to be
in ASTM Test Methods
considered for reference in all ASTM Committee D16 stan-
E 691 Practice for Conducting an Interlaboratory Study to
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dards on aromatic hydrocarbons and related materials. This
Determine the Precision of a Test Method
information is provided as a QA/QC system guide for D16
2.2 ASTM Document:
standard users who do not have an active QA/QC process in
MNL7 Manual on Presentation of Data Control Chart
their laboratory.
Analysis, 6th Edition, Section 3: Control Charts for
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Individuals
5. Significance and Use
2.3 Other Documents:
5.1 Quality Control and Quality Assurance practices are
Western Electric Company, Inc., Statistical Quality Control
5 important for the optimum operation of testing laboratories
Handbook (1982)
6 using D16 methods for aromatic hydrocarbons and related
Juran’s Quality Control Handbook, Fourth Edition (1988)
materials. Quality procedure guidelines, like those described in
3. Terminology this document or other suitably correct QA/QC-related refer-
ence, can be useful to optimally perform these methods.
3.1 Definitions:
6. Quality Procedure Guidelines
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This guide is under the jurisdiction of ASTM Committee D16 on Aromatic 6.1 Statistical Control—To establish the statistical control
Hydrocarbons and Related Chemicals and is the direct responsibility of Subcom-
status of the testing process since the last valid calibration,
mittee D16.06 on Statistical Procedure.
quality control (QC) samples should be regularly tested as if
Current edition approved June 10, 2002. Published August 2002.
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they were routine samples. Results should be recorded and
Annual Book of ASTM Standards, Vol 06.04.
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Annual Book of ASTM Standards, Vol 14.02.
immediatelyanalyzedbycontrolcharts,asdescribedinMNL7,
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Available from ASTM International, 100 Barr Harbor Drive, West Consho-
or other statistically equivalent techniques. Any out-of-control
hocken, PA 19428-2959.
5 data should provide an immediate trigger for an investigation
Available from American Society for Quality, 600 N. Plankinton Ave.,
Milwaukee, WI 53203. of root cause(s) that might require corrective action.
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Available from McGraw-Hill Inc, St. Louis, MO.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D6809
6.2 Selection of the QC Sample—Choose an ample quantity 6.5 Out-of-Control Data Points—Any QC sample data
of a homogeneous material that is representative of the point outside the upper or lower cont
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