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New Policy Aims to Minimize Dust & Particulates in Maricopa County


LA Testing provides testing services for both environmental air sampling and indoor air quality testing.

Los Alamitos, CA

Dust particles no larger than 10 microns in diameter, also known as PM10, are a major concern for air quality professionals in Phoenix, Arizona and the surrounding county. Earlier this month the Maricopa County Air Quality Department presented a draft proposal aimed at reducing unhealthy dust levels across the county.

Maricopa County has had a long history of challenges battling airborne particulate matter and reducing PM10 levels. The county regularly exceeds federal standards for dust emissions and if the county is unable to comply with federal standards they risk losing millions of dollars in federal transportation funding.

The draft proposal would require that new and modified permit seekers conduct an impact analysis of dust emissions and if the emissions equal or exceeds a major impact level then a cumulative analysis would be required. Basically the new proposal, if passed, would give the county the ability to deny permits. If approved the policy could take effect by July 1st.

Inhaling small particles has been extensively studied over the years and has been shown to cause everything from asthma to premature death. The smaller the particle the deeper it can penetrate the respiratory system. PM10 sized particles can reach the bronchi and lungs causing severe health problems.

LA Testing, an affiliate of EMSL Analytical, is a leading provider of both outdoor and indoor air quality testing across the West Coast and Southwest. “High levels of particulates have been proven to cause a wide range of health effects and the county’s plan to reduce airborne particulates is a move in the right direction,” reported Ben Sublasky, National Director of Client Services for LA Testing and EMSL Analytical. “Our LA Testing laboratories in California and our EMSL laboratory right here in Phoenix are equipped to provide the most advanced air testing services.”

To learn more about air testing or other environmental testing services please visit, email or call (800) 755-1794.

About LA Testing and EMSL Analytical, Inc.
LA Testing and EMSL Analytical are providers of environmental testing services and products to professionals and the general public. The companies have an extensive list of accreditations from leading organizations as well as state and federal regulating bodies.


 Minimize Dust Particulate
 Maricopa County PM10
 Phoenix Arizona levels
 Air Quality Department
 Indoor Outdoor Testing

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