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The measurement of acid mist is becoming increasingly important due to recent actions taken by the U.S. Environmental Protection Agency on fine particles (2.5 micrometers in diameter and smaller) that are unhealthy to breathe. ASTM International Committee D22 on Air Quality is currently working on a proposed standard for measuring acid mists that come from combustion sources, WK22846 , Test…
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A new ASTM International standard provides guidance for using data generated by ASTM standards in testing for asbestos in surface dust. ASTM D 7390 , Guide for Evaluating Asbestos in Dust on Surfaces by Comparison Between Two Environments, was approved by ASTM International Committee D22 on Air Quality, part of Subcommittee D22.07 on Sampling and Analysis of Asbestos. According to James Millette…
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A recently approved revision to ASTM International standard C 150 , Specification for Portland Cement, includes three significant technical changes to the document. The changes are part of a joint effort between ASTM and the American Association of State and Highway and Transportation Officials to harmonize C 150 with AASHTO’s standard, M 85, Specification for Portland Cement. C 150 is under the…
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A new ASTM International standard will provide a method to consistently address indoor air quality complaints in residential buildings and to guide IAQ investigations in an efficient manner. The standard, D 7297 , Practice for Evaluating Residential Indoor Air Quality Concerns, is under the jurisdiction of Subcommittee D22.05 on Indoor Air, part of ASTM International Committee D22 on Air Quality…
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Laboratories that measure fibers in workplace samples will be the most likely users of two new ASTM International standards: D 7200 , Practice for Sampling and Counting Airborne Fibers, Including Asbestos Fibers, in Mines and Quarries, by Phase Contrast Microscopy and Transmission Electron Microscope; and D 7201 , Practice for Sampling and Counting Airborne Fibers, Including Asbestos Fibers, in…
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A proposed new standard currently being developed by ASTM International Committee F01 on Electronics will prove to be useful to the tantalum sputtering target industry. The proposed standard, WK9490, Test Method for Reporting Crystallographic Orientation of Sputtering Target Materials, is under the jurisdiction of Subcommittee F01.17 on Sputter Metallization. "The tantalum sputtering target…
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ASTM International Committee F01 on Electronics is currently developing a proposed new standard that will provide uniformity in the values reported for oxygen content in aluminum alloys used for sputtering targets in the manufacture of integrated circuits. The proposed standard, WK9120, Determination of Oxygen in High Purity Aluminum and Alloys in High Purity Aluminum Base by Inert Gas Fusion…
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After a 35-year-absence, the natural cement industry is being revived and, along with it, a long-withdrawn ASTM International standard. Until it closed in 1970, the Century Cement Company in Rosendale, N.Y. was the last company to manufacture natural cement. Up to that point, Rosendale had been the center of the industry, the source of more than half of all natural cement produced in the U.S.…
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A new test method developed by ASTM International Committee C01 on Cement provides information about the behavior of cement that can be used in the process of selecting cementing materials for specific applications. The standard, C 1608, Test Method for Chemical Shrinkage of Hydraulic Cement Pastes, is under the jurisdiction of Subcommittee C01.31 on Volume Change. Test Method C 1608 was…
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ASTM International Subcommittee F01.11 has recently changed its name from Quality and Hardness Assurance to Nuclear and Space Radiation Effect. The subcommittee is under the jurisdiction of ASTM International Committee F01 on Electronics. According to William Alfonte, chair of F01.11, the title of the subcommittee has been changed to more accurately reflect the scope of its current and future…