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A proposed new ASTM International standard describes a method for calculating the length of time that a non-fuel mineral commodity can be extracted from its reserves and resources, for purposes of environmental product declarations (EPD) and life cycle analyses (LCA). ASTM WK31671 , Practice for Calculation of the Resource Depletion Potential of Mineral Commodities, is being developed by…
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Standards Cover Planning and Management of Environmentally Sustainable Events A collection of eight new ASTM International standards will provide meeting and event planners and their suppliers with specific guidelines and performance measurements for creating environmentally sustainable or “green” events. The standards have been in development since 2007, when Subcommittee E60.02 on Hospitality…
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A new ASTM International standard, adopted from an American Concrete Institute test method, will be used to help ensure the safety of construction projects. ASTM C1741 , Test Method for Bleed Stability of Cementitious Post-Tensioning Tendon Grout, is under the jurisdiction of Subcommittee C09.41 on Hydraulic Cement Grouts , part of ASTM International Committee C09 on Concrete and Concrete…
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Piston ring/liner interface can contribute as much as half the total friction loss in internal combustion engines, with the resulting wear leading to reduced energy efficiency and raised emissions. A new ASTM International standard provides a method to more accurately measure small amounts of wear on curved piston ring segments and their counterfaces after lubricated bench-scale testing. “Coupled…
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A new ASTM International standard will be a useful document for vendors, buyers and regulators in determining the applicability of different types of booms to be used for oil spill response. ASTM F2683 , Guide for Selection of Booms for Oil Spill Response, was developed by Subcommittee F20.11 on Control , part of ASTM International Committee F20 on Hazardous Substances and Oil Spill Response .…
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A proposed new ASTM International standard may foster greater use of agricultural raw materials (ARM). ARM are a source of ligno-cellulosic fibers, which are similar to wood fibers and particles. ARM are set to become an important source of fibers for the construction industry. The proposed new standard, ASTM WK30419 , Guide for the Use of Agricultural Fiber in Construction, is being developed by…
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ASTM Committee G02 on Wear and Erosion is including a field trip in the plans for its Dec. 8-9 meeting in Jacksonville, Fla. Committee members will be visiting the Tribology Laboratory in the mechanical engineering department at the University of Florida in Gainesville. The Tribology Laboratory is actively involved in a wide variety of tribological research and tribology education projects. The…
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ASTM grain size is a property written into many specifications for metals, with finer grain sizes generally indicating better mechanical properties, such as formability. While measuring certain materials for such properties can be difficult, electron backscatter diffraction can provide precise determinations as well as give information on grain size distribution and statistics. A new ASTM…
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A new ASTM standard will be useful to slide and engine companies, as well as makers of bushing materials, in studies that involve the measurement of system friction forces. The new standard, ASTM G203 , Guide for Determining Friction Energy Dissipation in Reciprocating Tribosystems, was developed by Subcommittee G02.50 on Friction, part of ASTM International Committee G02 on Wear and Erosion.…
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Standards developed by ASTM International Committees F20 on Hazardous Substances and Oil Spill Response and E47 on Biological Effects and Environmental Fate play a role in both the initial response and follow-up to oil spills. The recent spill in the Gulf of Mexico highlights the importance of standards that cover all aspects of oil spill response and cleanup. F20 on Hazardous Substance and Oil…