About Us

Source Assessments LLC was established March 25, 2016 by John Rosburg to provide source evaluation assistance to industry, legal counsel and environmental consultants. The goal of Source Assessments is to provide technical support with regard to emissions measurements programs in a cost effective manner. Source Assessments technical oversite will help pave the way to successful compliance test programs, continuous emission monitor (CEM) System evaluations and diagnostic measurements.

Mr. Rosburg is the founder of Source Assessments and will oversee your source measurements projects. He has proposed, designed, executed and managed countless emissions measurements programs for many industrial facilities for more than 30 years. The test programs he designed, executed and managed were typically performed according to the United States Environmental Protection Agency (USEPA) Reference Methodologies for criteria and/or hazardous air pollutants (HAP). His broad expertise encompasses compliance determinations, CEM system certifications and pollution control device diagnostic measurements for optimization or engineering design. He is extremely proficient in the execution of volatile organic compound (VOC), metals, and dioxin and furan test methodologies. He has designed and executed numerous fugitive emissions evaluations for copper smelting and molybdenum refining facilities. In addition, he has completed countless CEM system evaluations and/or audits for pulp and paper, cement and power generation facilities. He has provided services for many industries including, but, not limited to:

  • Power Generation
  • Copper Smelting and Refining
  • Petroleum Refining
  • Breweries
  • Oil and Gas
  • Production Automobile Manufacturers
  • Portland Cement & Lime Kilns
  • Molybdenum Refining
  • Electronics
  • Glass Manufacturers
  • Various Coating Operations
  • Fiber Board Manufacturers

Most recently he worked closely with a client and USEPA, Region 10 to complete the first commercial industrial solid waste incinerator (CISWI) test program in the state of Alaska. The test program was observed, accepted and approved by USEPA Region 10.

Memberships & Associations

  • Air & Waste Management Association
  • Source Evaluation Society

Additional Training & Certifications

  • 24-Hour Mine Safety & Health Administration (MSHA) Training
  • 8-Hour MSHA Refresher Training
  • 40-Hour OSHA Hazardous Waste Operations and Emergency Response Training
  • 8-Hour OSHA Hazardous Waste Operations and Emergency Response Refresher
  • Respirator Fit Test
  • First Aid/CPR
  • Hydrogen Sulfide (H2S)
  • Visible Emission Evaluator