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Part 8 – HalenHardy Discovers 11 More Sources of Respirable Silica in Hydraulic Fracturing

Fri, 02/14/2014 - 11:56 -- Donny Beaver

Part Seven in our series featured the July 2013 announcement by NIOSH about workers’ clothing being an eighth (8th) source of respirable silica in hydraulic fracturing. In addition, the HalenHardy team has identified 11 more areas of exposure before, during and after hydraulic fracturing including:

Part Seven - In 2013 NIOSH Adds an Eighth Source of Respirable Silica Dust: Workers' Clothing

Fri, 02/14/2014 - 11:53 -- Donny Beaver

More than a year after listing the seven points of worker exposure to respirable silica dust in hydraulic fracturing operations, the same NIOSH researchers published an article outlining an eighth (8th) primary point of dust release and generation in the July 2013 American Industrial Hygiene Association magazine, The Synergist – “Keeping Up with the Oil and Gas Rush.” The authors, Eric Esswein and Ryan Hill, noted “work clothing (for example, flame retardant coveralls) contaminated with crystalline silica” is considered a dust release or generation point.

Part Six - NIOSH Identifies the 7 Main Sources of Respirable Silica Dust in Hydraulic Fracturing

Fri, 02/14/2014 - 11:53 -- Donny Beaver

Part Six – NIOSH Identifies the 7 Main Sources of Respirable Silica Dust in Hydraulic Fracturing In June 2012 OSHA & NIOSH issued a joint “Hazard Alert on ensuring workers in hydraulic fracturing operations have appropriate protections from silica exposure”. The alert revealed that 79% of the 111 oil and gas exploration sites studied by NIOSH showed silica exposure levels greater the NIOSH Recommended Exposure Level (REL).

Part Five - How is Frac Sand Used in Oil & Natural Gas Exploration?

Fri, 02/14/2014 - 11:52 -- Donny Beaver

Thanks to its crush resistant attributes, silica sand is the preferred material used in hydraulic fracturing to prop open tiny fissures in shale formations that hold vast deposits of oil and natural gas. In fact, silica sand is so popular that a recent US Geological Survey Minerals Yearbook noted that frac sand demand has tripled in three years (from 20 to 60 billion pounds per year). Because the length of horizontal wells (laterals) continues to increase, more silica sand is used in nearly every well.


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