Frac Sand and Construction Sand Producing Facilities
Air Control Techniques, P.C. works with numerous frac sand producing facilities in the Midwest and construction sand producing facilities throughout the U.S.
PM2.5, PM10, and PM4 Crystalline Silica Ambient Air MonitoringWe provide technical consulting services concerning PM2.5, PM10, and PM4 crystalline silica monitoring. Several recent peer-reviewed papers are listed on the publications page.
PM2.5, PM10, and PM4 Crystalline Silica Emission FactorsWe conduct PM2.5, PM10, and PM4 crystalline silica emission factor testing for a broad range of conventional and fugitive dust sources in frac sand and construction sand-producing facilities. Many of our emission factors are published in AP42, Section 11.19.2. Recent PM2.5 emission factors for crushers, screens, and conveyor transfer points are listed on the publications page.
Emission Inventory PreparationsAir Control Techniques, P.C. maintains a comprehensive file of emission factors useful for calculating emissions from fugitive dust sources. We have helped numerous clients prepare detailed, defensible emission factor calculations to support permit applications and modifications. We also provide emission calculations needed as input data to meteorological dispersion models.
Stack TestingAir Control Techniques, P.C. can measure filterable and total particulate matter emissions from baghouse-controlled sources using Methods 5, 201A, and 202.
Ventilation SystemsAir Control Techniques, P.C. can test and rebalance ventilation systems for screens, conveyors, and driers.
Public Hearings and Expert TestimonyAir Control Techniques, P.C. personnel have extensive experience in providing presentations at public hearings and expert testimony as necessary.
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