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ASTM Proficiency Testing Programs (PTP) are statistical quality assurance programs that enable laboratories to assess their performance in conducting test methods within their own laboratories when their data are compared against other laboratories that participate worldwide in the same program.
Standards Tracker® A free email sent each Monday and Thursday listing new and revised standards and standards development activities. Customize the alerts you receive - either for newly approved standards, new work items (drafts), or both. View Standards Tracker® Email. Tailor your alerts for broad or targeted coverage.