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Air Shower Reduces Dust Exposure

Thursday, January 16, 2014

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A new mobile air shower can reduce worker exposure to respirable crystalline silica by removing dust from worker clothing in 30 seconds, according to HalenHardy.

The MASHH Air Shower is a mobile unit that removes dust from contaminated clothing in industrial work that produces respirable crystalline silica, including hydraulic fracturing operations.

No Interruptions 

The MASHH Air Shower can be activated with a single button, and an "Always Available" function allows an entire team of workers to be processed without interruption, the company says.

MASHH Air Shower

The MASHH Air Shower can remove dust from worker clothing in 30 seconds, the company says. An entire crew can clean its clothes without machine interruption.

The shower's "Always Available" AMP Air Generator supplies over 700 CFM at low pressure (under 10 psi) to the air shower. Heated and cooled air packages are available.

According to the company, a HEPA Vacuum operating at 2,000 CFM removes 99.8 percent of particulate from the exhaust. The systems detects and notifies the user when a filter change is required.

The adjustable 63-inch air knife can be adjusted for worker height and air flow control.

"When dust-covered workers go on break, we've observed that they almost always do two things," said Bob Glenn, HalenHardy Chief Scientist and Director of Silicosis Prevention Advisors.

"First, they remove their respirator. Next, they slap the dust from their shoulders, chests and arms. This is a very hazardous practice that increases their personal exposure.

This slapping action can send microscopic crystalline silica particles directly into a worker's breathing zone, increasing exposure levels, according to HalenHardy.

About the Company

The product was selected as the Environmental, Health & Safety Technology Innovation of the Year at the Shale Insight Conference and Technology Showcase.

Bellwood, PA-based HalenHardy LLC was founded in January 2013. The company develops products and services to improve worker health and safety in industries including oil and gas, mining, construction, remediation and demolition.

More information:


Tagged categories: Dust Collectors; Health and safety; Protective clothing; Silica; Workers

Comment from Catherine Brooks, (1/16/2014, 11:32 AM)

Would it also be effective to remove toxic lead dust at lead abatement sites?

Comment from Alex Moore, (1/16/2014, 12:32 PM)

Catherine...Thank You for your question. Yes, the MASHH-Mobile Air Shower by HalenHardy is being used in lead applications, particularly in bridge painting/rehab where lead dust is generated from abrasive blasting processes. You are welcome to email me at

Comment from Tom Schwerdt, (1/17/2014, 9:20 AM)

Hm, sounds pretty appealing for bridge deleading operations. Typically there is already a large compressor onsite to support the blasting operations.

Comment from Alex Moore, (1/17/2014, 9:43 AM)

Tom...Thanks for your comment. Keep in mind, we have eliminated the need for compressed air or compressed air tanks with our Mobile Air Shower. We use a direct-drive blower system which significantly improves efficiency and mobility.

Comment from M. Halliwell, (1/17/2014, 11:09 AM)

Alex...I'm assuming these units do well in outdoor exposures (like on bridge jobs where they may be at one end of the bridge exposed to the elements). Any special considerations for cold climates?

Comment from Alex Moore, (1/17/2014, 11:31 AM)

Yes these units were designed to withstand very cold climates like Calgary where they are used in the oil & gas industry.

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