Tags: quartz

OSHA Slashes PEL, Costs to Skyrocket

Nov 01, 2013

OSHA-proposed rule would cut permissible exposure limits to crystalline silica in half; MSHA to follow suit.   By K. Brad Oakley   On Aug. 23, 2013, the Occupational Safety and Health Administration (OSHA) announced a proposed rule that will drastically reduce the current Permissible ...

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Hey, That’s My Job!

Aug 01, 2013

The world of feldspar ebbs and flows with the U.S. construction industry.   By Bill Langer   Our daughter, Kimberly, and son-in-law, Rob, recently remodeled their bathroom and had a beautiful granite countertop installed. As soon as I saw it, I started pointing out ...

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Editorial

May 07, 2011

Increased Optimism By Therese Dunphy “A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty,” –Winston Churchill   Throughout the last several years, many aggregate producers may have been pessimists rather than optimists, but the tide may be ...

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Carved in Stone

May 07, 2011

Carved in Stone

Q is for Quartz This versatile mineral has been used in everything from ceremonial rattles to sonar transducers to quartz watches. By Bill Langer Quartz (kwôrts) noun – Intensely frozen ice (Gaius Plinius Secundus, 77 A.D.) Back when our daughter, Kimberly, was a tyke ...

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Carved in Stone

Jan 01, 2011

Carved in Stone

M is for Millstone Among the many European millstones, the geology of the French burrstone was prized for the effect of its quartz grain. ‘mil-st¯on A portmanteau created by blending the words ‘mill’ and ‘stone.’ “I can never cease to hanker for ...

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