Groups opposing the proposed silica rule, including the new Construction Industry Safety Coalition, the National Association of Manufacturers, and the National Industrial Sand Association, have requested a 90-day extension for submitting written comments beyond the December 11, 2013 deadline, saying they need more time to study OSHA's economic and technical feasibility analyses. Hearings on the proposed rule are currently scheduled to begin March 4, 2014.
News Brief
Proposed Silica Dust Rule to Limit Exposure on the Job
Forty-year-old caps on silica dust in construction and industry are to be slashed by OSHA.
![](https://www.buildinggreen.com/sites/default/files/styles/smartphone_full/public/articles/silica%2520dust.jpg?itok=cG6mAmAo×tamp=1462015444)
More than 640,000 American workers are exposed to excessive levels of respirable crystalline silica, according to OSHA.
U.S. Navy, Michael SandbergOSHA’s proposed permissible exposure limit (PEL) is 50 μg/m3 (micrograms of silica per cubic meter of air) averaged over an eight-hour day—a significant cut from the current 40-year-old limits (100 μg for general and maritime industries and 250 μg in construction).
Companies also must supply respirators if controls fail to achieve the PEL and must offer medical exams to those working in these conditions for 30 days or more per year. Another major provision requires companies to measure airborne silica if levels are above 25 μg/m3; however, there are “flexible alternatives” for construction companies that institute certain dust control measures, such as using a stationary masonry saw equipped with a water delivery system.
The labor union for industrial organizations, AFL-CIO, welcomed the proposal as “long overdue” in a press release, but several members of the Construction Industry Safety Coalition, including the National Association of Home Builders (NAHB), are worried about practicality and cost.
According to a statement from NAHB, dust-capture systems are not appropriate in all applications (such as when spraying water could cause mold); the trade group also argues that the cost of compliance would be overly burdensome to the construction industry and would exceed $1 billion per year.
For more information:
Occupational Safety and Health Administration
https://www.osha.gov/silica/nprm.pdf
Published September 30, 2013 Permalink Citation
Pearson, C. (2013, September 30). Proposed Silica Dust Rule to Limit Exposure on the Job. Retrieved from https://www.buildinggreen.com/newsbrief/proposed-silica-dust-rule-limit-exposure-job
Comments
The opposition is not dead yet
ABC, NAHB, and other groups are banding together to mount a lawsuit over this rule.
http://www.paintsquare.com/news/?fuseaction=view&id=14706&nl_versionid=1540
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