CMB Receptor Modelling

Source Characterization

CES specializes in innovative solutions to air quality problems by using source apportionment and chemical mass balance receptor modeling. These techniques allow CES to assist clients by locating sources of metal emissions based on measurements of their unique chemical profiles. A combination of our examples include: development of plume simulating dilution stack sampler, tunnel, and dynamometer studies of automotive emissions and compilation of source composition libraries.

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CMB Receptor Modeling:

CES uses the latest CMB software (CMB-8.2) in its source apportionment modeling. Whether the study is part of a State Implementation Plan (SIP) or a Secondary lead smelter, CES can develop sampling protocols, organize the analysis, and complete the modeling. CES personnel have:

  • Conducted more than 100 airshed source apportionment studies in the U.S., Mexico, Canada, and Brazil
  • Performed source apportionment studies of numerous copper and lead smelter operations throughout the U.S. and Canada
  • Taught numerous short courses on receptor modeling in the U.S., Canada, and Brazil
  • Co-authored EPA’s demonstration of dispersion and receptor model reconciliation
  • Developed the first source profile library for California’s South Coast Air Basin