ASTM D3777-97(2002) PDF

1.1 This practice covers general methods for specifying textile product characteristics that may be measured or counted.

1.2 There are many different types of acceptance samplings plans. This practice describes five types. (See 1.5.)

1.3 This practice describes general methods for writing the sampling plans of the types named in whose characteristics may be measured or counted. The requirements are described in terms of what the basic unit is and what limit constitutes a nonconforming item. Tables are provided from which appropriate sampling plans can be designed. Numerical examples illustrate the design of sampling plans and the construction of their consequent operating characteristic curves.

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 and health practices and determine the applicability of regulatory limitations prior to use.

1.5 This practice includes the following sections:

SectionScope1Referenced Documents2Terminology3Significance and Use4Organizational Form for Specifications5Introductory Sections6Requirements Section7Sampling8Test Methods9Sampling Plans10Operating Characteristic Curve11Keywords12

1.6 The annexes include:

Topic TitleAnnex NumberTypes of Sampling Plans:Single-Sample Fraction-Nonconforming Attribute DataAnnex A1Single-Sample Nonconformances-per-UnitAnnex A2Single-Sample by Variables to Control Fraction-Non-conforming with Standard Deviation KnownAnnex A3Single-Sample by Variables to Control Fraction-Non-conforming with Standard Deviation UnknownAnnex A4Chain SamplingAnnex A5

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Number of Pages :	14
Published :	09/10/1997