July 14, 2011
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Health & Safety Newsletter July 14, 2011 |
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| This Week´s Featured News Stories |
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EPA Announces Proposed SNUR for 14 Glymes
On July 11, 2011, the U.S. Environmental Protection Agency (EPA) announced a proposed significant new use rule (SNUR) for 14 glymes, a class of chemicals structurally related to glycol ethers. According to EPA, the proposed rule, issued under Section 5(a)(2) of the Toxic Substances Control Act (TSCA), would require persons who intend to manufacture, import, or process the glymes for an activity that is designated as a significant new use to notify EPA at least 90 days before commencing that activity. The notification would provide EPA with the opportunity to evaluate the intended use and, if necessary, ... | ||
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Room with Acoustics
Brüel & Kjær now offers the latest version of room acoustics measurement software, DIRAC 5. Created by Acoustics Engineering, DIRAC is PC-based software used for measuring a wide range of room acoustical parameters. Based on the measurement and analysis of impulse responses, DIRAC supports a variety of measurement configurations. For accurate measurements, according to the ISO 3382 standard, users can make internal or external generated stimulus signals through a loudspeaker sound source. Survey measurements are easily carried out using a small impulsive sound source, ... | ||
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