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Using Artificial Intelligence (AI) on ASTM standards and related intellectual property is prohibited. Violations will result in suspension of access.
ASTM WK98351
Recent Research has shown that ASTM C1293 two-year test is not accurate in determining the amount of SCM needed for ASR prevention. The two-year test will be removed from the test method.
Date Initiated: 03-08-2026
Technical Contact: JAMES CASILIO