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All posts in “Monitoring”

By Air Sciences Inc.

Air Sciences Awarded a Small Business Innovation Research Grant

2020 has presented Air Sciences with many opportunities for retooling. As a small business, we quickly enacted a work-from-home policy with some routines to keep everyone healthy but also balanced. Daily facetime through all-company meetings and even some virtual happy hours have kept our close-knit teams connected and thriving. The small blessings of this newfound flexibility (and home-cooked lunches) are quickly displaced, however, by the anxiety we all feel around the ongoing turmoil in economic and public health arenas.

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PI-SWERL: A Wind Erosion Laboratory on Wheels

Dust from wind traveling across open land areas is a common phenomenon on all continents of the world. Whether a tilled field or a geographic feature like a dry lakebed, these areas can emit dust that impacts public respiratory health. Knowing the potential for adverse health effects is difficult to quantify. Varying surface conditions, weather, and rates of emission are inherent to this challenge. Read more

Smart Sensors for Wildfire Detection 

Wildfires are growing in intensity and frequency as the climate changes, draining resources for firefighting often early in the season. Traditional methods of fire towers or satellite imaging are not effective until  fires are of substantial size. Air Sciences intern Mikhail Mayers, a computer engineering student at Portland State University, is working with some other students to detect smaller fires sooner.  Read more

Playa Dust Playing a Role in Ozone Formation

North American playas are large dust emitters. Dotting the deserts of the Southwestern United States, these dry lake beds are highly saline from the concentration of salts following evaporation. These salt deposits can become entrained in the air when winds scour the dried lakebed. The resulting saline dust has a high fraction of halogenated compounds, primarily those containing chlorine. When the chlorine-containing aerosols (the dust that remains suspended in the atmosphere) mix with nitrogen oxides (primarily dinitrogen pentoxide), a gas called nitryl chloride (ClNO2) is produced. Sunlight interacts with  ClNO2, breaking it apart into chlorine radicals that participate in the formation of tropospheric ozone.

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New Article Highlights Air Quality Impacts of Road Salts

One of Air Sciences’ senior scientists, Dr. Katheryn Kolesar, recently published an article in Atmospheric Environment, with colleagues from the University of Michigan’s Pratt Lab, examining particulate formation due to road salt applications.
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  • 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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