This practice presents guidelines for preparing clear and meaningful precision statements for test method standards on tires and related objects pertinent to the tire industry and within the scope of ASTM Committee F09. It gives definitions, explains the potential use of precision for standard test methods, and gives the requirements for interlaboratory or inter-test-site programs. The calculation algorithms for determining precision and the format for expressing precision are also given.

Formerly under the jurisdiction of Committee F09 on Tires, this practice was withdrawn in 2005. This practice has been withdrawn due to lack of use in Committee F09. It is recommended that Practice E 691, the generic standard for precision in ASTM, and Practice D 4483, the precision standard for Committee D11 on Rubber, be consulted by anyone in Committee F09 who requires guidance on evaluating precision for any test method standard in F09.

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1.1 This practice presents guidelines for preparing clear and meaningful precision statements for test method standards on tires and related objects pertinent to the tire industry and within the scope of ASTM Committee F-9. It gives definitions, explains the potential use of precision for standard test methods and gives the requirements for interlaboratory or inter-test-site programs. The calculation algorithms for determining precision and the format for expressing precision are also given.