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Air Sciences Inc.

Company News & Science Blog

2022 PNWIS Conference

PNWIS 2022, Katie (left) and Lyndsey (right) enjoy some socializing with colleagues against a stunning backdrop #nofilter

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Tailings ponds evaporation: in situ vs theoretical calculations

Large man-made bodies of water at mining sites such as tailings ponds are designed for water to evaporate. Exposure to the greatest tool for evaporation – the sun – means water level changes require water balance tracking due to precipitation and evaporation. 

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Surfaces impacted by water, not wind, are greater potential sources for dust at Keeler Dunes

Air Sciences and its partners have worked with the Los Angeles Department of Water and Power on mitigating dust in the Owens Valley of California for decades. The work of these experts is now being published in Aeolian Research as part of a larger investigation into the modern destabilization and migration of the Keeler Dunes Complex – a small shoreline dune system in the northeast corner of Owens (dry) Lake.

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MOVES: Details make the design

Infrastructure and transportation are having a moment in media coverage and political efforts. These umbrella terms mostly bring ports, bridges, and roads to mind, but they also include something in Air Sciences’ wheelhouse: MOVES, the MOtor Vehicle Emission Simulator, developed and funded by the United States Environmental Protection Agency (EPA). Now in its third iteration, MOVES provides a snapshot of tailpipe emissions for on- and off-road motor vehicles. The model encompasses six common air pollutants (ground-level ozone, particulate matter, carbon monoxide, lead, sulfur dioxide, and carbon dioxide, known collectively as criteria air pollutants), greenhouse gases, and hazardous air pollutants.  

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Baghouse PM10 Testing Frequency Calculator
(for Nevada)

This workbook calculates the frequency for how often a baghouse needs to be tested for PM10 using the Nevada Division of Environmental Protection – Bureau of Air Pollution Control Testing Determination System (TDS). The TDS will be applied during all permit renewals and any revisions that include a baghouse.  At this time, the TDS only applies to baghouses used to control non-combustion sources. 

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Latest Posts

  • 2022 PNWIS Conference
  • Tailings ponds evaporation: in situ vs theoretical calculations
  • Surfaces impacted by water, not wind, are greater potential sources for dust at Keeler Dunes

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AIR SCIENCES

Air Sciences is a team of scientists and engineers dedicated to finding the right solutions for our clients.

We specialize in air quality services including dispersion modeling, permitting, compliance, monitoring, data management, and fire science.

Air Sciences is a certified SBE (Proprietary) company with the City of Los Angeles.

LA BAVN ID: 26433
SBE Certification No.: SBEProp264
Certifying Entity: City of Los Angeles
NAICS Code: 54120 - Environmental Consulting Services

air@airsci.com

Latest News

  • 2022 PNWIS Conference

    PNWIS 2022, Katie (left) and Lyndsey (right) enjoy some socializing with colleagues against a stunning backdrop #nofilter

  • Tailings ponds evaporation: in situ vs theoretical calculations

    Large man-made bodies of water at mining sites such as tailings ponds are designed for water to evaporate. Exposure to the greatest tool for evaporation – the sun – means water level changes require […]

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