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Estimating Air Emission Rates

COURSE NO: C02-011
Estimating Air Emission Rates
Course Highlights

This online engineering PDH course begins with an explanation of the background and importance of air emission estimations, followed by discussions of the four major types of air emission estimation techniques, their advantages and disadvantages, and the data needs for each. The course concludes with some tips for managing an overall air emission estimation program.


Federal and state air quality regulations contain, for the most part, standards involving emission rates. A process or a type of equipment must meet an emission rate limit to comply with the rule. Therefore, estimation of air emission rates is critical for regulatory compliance as well as for planning. There is no set method to estimate emissions. What works for one type of process will not work for a different one. Also different estimation techniques have different accuracies, costs, interpretations, and data required for different processes. Engineering understanding of the techniques where they are best applicable and the quality data needed to make them successful is critical to developing reliable emission estimates. Such estimates can be used to accurately determine compliance with regulations, to develop total emissions inventory, to perform ground-level impact studies, and to size and design air pollution control equipment.


This 2 PDH online course is intended for environmental engineers, chemical and process engineers, and APC equipment designers who are interested in gaining a better understanding of how air emissions are estimated and the criteria set by the engineer performing the estimations.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Understand the need to estimate rates of air emissions into the atmosphere.
  • Understand the basics of the four major approaches to estimate emissions.    
  • Determine for which processes one approach may be favorable over another.
  • Learn about the technologies used to perform direct measurements of emissions and their limitations.    
  • Learn about the background of material balance and engineering equations to estimate emissions of different types of air pollutants.
  • Learn tips of what to do to make your emission estimation program proceed smoother.
Course Document

In this professional engineering CEU course, you need to review the course document titled "Estimating Air Emission Rates".

To view, print and study the course document, please click on the following link(s):
Estimating Air Emission Rates (1.2 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of fifteen (15) questions to earn 2 PDH credits. The quiz will be based on the entire document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you will be able to print it after we receive your payment.) For your convenience, we will also email it to you. Please note that you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: