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Continuous Emission Monitoring Guide

COURSE NO: C08-015
Continuous Emission Monitoring Guide
Course Highlights

The online engineering PDH Part 75 continuous emission monitoring rule, found in 40CFR, was originally published in January, 1993.  The purpose of the regulation was to establish continuous emission monitoring for air pollution, and to report requirements under EPA's Acid Rain Program, which was instituted in 1990 under Title IV of the Clean Air Act.


The Acid Rain Program regulates electric generating units that burn fossil fuels and that serve a generator greater than 25 MW.  For such units, Part 75 requires continuous monitoring and reporting of SO2 mass emissions, CO2 mass emissions, NOX emission rate and heat input.  The SO2 component is a "cap and trade" program, designed to reduce acid deposition by limiting SO2 emission levels in the "lower 48" states of the United States.


This 8 PDH online course is intended for energy, mechanical, electrical, chemical, and civil engineers. However, this course could appeal to engineers of other disciplines as well.  An attendee of this course will gain knowledge about EPA's Part 75 Continuous Emission Monitoring rule and details of how it is implemented.

Learning Objectives

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

  • Understanding of the Part 75 Rule
  • Knowing who is required to comply with the Part 75 Rule
  • Knowing the basic components of the cap and trade program
  • Knowing why continuous monitoring is necessary
  • Knowing how the Part 75 Rule is structured
  • Familiarizing with other federal regulations that interface with Part 75
  • Familiarizing with an overview of Part 75 monitoring requirements
  • Familiarizing with the components of a continuous monitoring system (CEMS)
  • Knowing the difference between primary and backup monitoring systems
  • Knowing how a CEMS must be operated
  • Knowing how emissions and heat input rate can be determined from CEMS data
  • Knowing when corrections for stack gas moisture content is required
  • Familiarizing with missing data procedures for CEMS
  • Familiarizing with the Appendix D monitoring method
  • Knowing how the fuel flow rate is measured
  • Knowing the fuel sampling requirements of Appendix D
  • Knowing how the SO2 mass emission rate is calculated
  • Familiarizing with the on-going quality-assurance requirements of Appendix D
  • Knowing the definition of a peaking unit
  • Knowing how hourly NOx emissions are determined
  • Familiarizing with the low mass emission methodology description
  • Knowing how a unit qualifies for low mass emissions (LME) status
  • Familiarizing with the recordkeeping and reporting requirements for LME units
  • Familiarizing with the process by which Part 75 monitoring systems are certified
  • Familiarizing with Part 75 QA/QC procedures
Course Document

In this professional engineering CEU course, you need to review the course document titled, "Plain English Guide to the Part 75 Rule", which is a publication of the U.S. Environmental Protection Agency, available at:

To view, print and study the course document, please click on the following link(s):
Continuous Emission Monitoring Guide (2.6 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of forty (40) questions to earn 8 PDH credits. The quiz will be based on this EPA Publication.


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: