The ASTM D8135-2017 Standard Guidance provides a standardized method for the selection and use of alternative, harmless, granular solid filler substances for use in Encasement performance testing as an alternative to hazardous materials. The guidance is designed to improve the conformity and Repeatability of Encasement testing, improve transportation safety by simplifying the selection of filler materials, and enhance trust in Encasement testing and manufacturing. The guidance provides basic requirements regarding the physical properties of granular solid materials and highlights key information to be documented in test reports. While the standard does not address regulatory requirements for the compatibility of filler substances with Encasement, it helps clarify expectations between the Encasement industry and regulatory agencies.
| Status | Active |
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| CCS | ICS |
| Release Date | Implementation Date |