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ASTM D4271

1988 Edition, July 29, 1988

Complete Document

Standard Practice for Writing Statements on Sampling in Test Methods for Textiles

Includes all amendments and changes through Reapproval Notice , 2001

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Product Details:

  • Revision: 1988 Edition, July 29, 1988
  • Published Date: January 2001
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

1. Scope

1.1 This practice serves as a guide for preparing statements on sampling in methods of test for textiles. Illustrative texts are included which, with suitable modification, can be used as starting points for writing statements on sampling for any of the usual forms in which textiles are shipped.

1.2 Since the primary purpose of ASTM test methods is to evaluate some characteristic of a material being transferred from a supplier to a purchaser, the procedures for sampling in this practice are directed to the acceptance testing of commercial shipments of a product. Test methods which are not recommended for use in acceptance testing of commercial shipments or which are only intended for ranking products for developmental purposes, may require modifications in the format of the appropriate illustrative text, such as the omission of any reference to lot samples.

1.3 ASTM standards are developed by a consensus process that considers the interests of producers, consumers, and the general public. Committee D-13, therefore, recommends giving preference to methods of selecting sampling plans, such as the two-point plans in the annexes in Practice D 3777, that require conscious consideration of both the producer's risk and the consumer's risk. The consumer's risk can be determined for the sampling plans in MIL-STD-105D and MIL-STD-414 but those military standards tend to focus attention on the producer's risk rather than on both the producer's and consumer's risks.

1.4 This practice makes no attempt to develop any theoretical basis for sampling. The theoretical basis for sampling is discussed in a number of standard statistical texts (1-5) as well as in Practice E 105. Procedures for developing simple two-point single sampling plans for acceptance testing are given in Practice D 3777.

1.5 This standard includes the following sections: