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The increased use of geomembranes as barrier materials to restrict liquid migration from one location to another created a need for a test method to evaluate the quality of geomembrane seams produced by tape methods. ASTM International Committee D35 on Geosynthetics has met this need with the approval of the new standard D 7272 , Test Method for Determining the Integrity of Seams Used in Joining…
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ASTM International Committee D35 on Geosynthetics has developed a new standard that is an important step toward the improvement of filtration design for non-woven geotextiles. The standard, D 7178 , Practice for Determining the Number of Constrictions “, m, ” of Non-Woven Geotextiles as a Complementary Filtration Property, will provide engineers and researchers a common basis for accurate determination of an important products property. Practice D 7178 is under the jurisdiction of Subcommittee D35.03 on Permeability and Filtration. Practice D 7178 describes the procedure used along with existing test methods to determine the number of…
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ASTM International Committee F23 on Personal Protective Clothing and Equipment has developed a new standard in response to a United States Food and Drug Administration ruling to change how the marketing of surgical gowns is regulated. The new standard, F 2407 , Specification for Surgical Gowns Intended for Use in Healthcare Facilities, is under the jurisdiction F23’s biological subcommittee, F23.…
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ASTM International Committee E37 on Thermal Measurements is seeking participation in a new subcommittee, E37.09 on Biological Calorimetry. Since its inception, the focus of Committee E37 has been the creation of methods for the calibration and use of thermal analysis instrumentation. One of the first types of thermal analysis instruments that was developed commercially on a large scale was…
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A new publication about the performance of protective clothing is now available from ASTM International. STP 1462, Performance of Protective Clothing: Global Needs and Emerging Markets, 8th Symposium , includes 19 peer-reviewed papers that address topics related to the performance of protective clothing for government and industrial workers, first responders, and civilians. A vital resource for…
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Fostering government support for ASTM International Committee F23 on Protective Clothing and other standards developing committees related to protective clothing is the central goal of a new memorandum of understanding recently signed by ASTM International and the National Institute for Occupational Health and Safety. The agreement highlights the role of the NIOSH National Personal Protective…
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ASTM Committee D35 on Geosynthetics will present a workshop on the possibility of creating a Geogrid Aperture Stability standard during the June Committee Week in Reno, Nev. The workshop will take place June 15 from 6:00 p.m. to 7:30 p.m. Steve Valero, Vice President - Technology, Tensar, will chair the workshop. Valero promises a productive and lively workshop that will be focused on educating…