Displeasure over OSHA's new silica rule has continued with the National Stone, Sand, & Gravel Association (NSSGA) in conjunction with the Georgia Construction Aggregates Association (GCAA) filing a petition with the 11th U.S. Circuit Court of Appeals. This petition follows the filing of a separate one by industry groups that was filed with the 5th U.S. Circuit Court of Appeals.

The NSSGA contends in their petition that current regulations have been effective in reducing exposure and illness related to silica dust. The group then proceed to question how sound the science is behind OSHA's rule:

In a press release posted to their site, NSSGA says it acknowledges the health risks posed by silica, but that the OSHA rule is “not based on sound science.” NSSGA in a public comment to OSHA said that the laboratory used to gather the data did not provide precise and accurate silica samples.

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