Section 608 of the Federal Clean Air Act requires that all persons who maintain, service, repair or dispose of appliances that contain ozone depleting refrigerants be certified in proper refrigerant handling techniques.
Preparatory Manual
The ESCO Institute's EPA Section 608 Preparatory Manual covers the material required to successfully pass the Universal Exam in 32 pages.
Introduction
Federal Regulations
Before You Begin
Overview of the Examination
Test Format
Vapor-Compression Refrigeration Cycle
How to Use the Pressure-Temperature Chart
Refrigeration Service
Gauge Manifold Set
Tips for Taking Multiple-Choice Exams
Core
Stratospheric Ozone Depletion
Global Warming Potential
Refrigerant Characteristics & Identification
Bubble and Dew Points
Low, Medium, High, and Very High Pressure
Refrigerant Oils
Montreal Protocol and Clean Air Act
Recovery
Recovery Devices
Leak Detection
Dehydration
Safety/General
Safety/Cylinder
Shipping
Refrigerant Characteristics Chart
Type I Certification
Recovery Equipment
Recovery Requirements
Recovery Techniques
Safety
Type II Certification
System Classifications
Determining System Charge
Leak Repair Requirements
Leak Repair Time Frames
Section 608 Leak Repair Regulations
Record Keeping
Leak Detection
Recovery Techniques: Before You Recover
Recovery Techniques: Enhancing the Process
Recovery Techniques: Required Evacuation Levels During Recovery
Refrigeration System Liquid-Line Accessories
Refrigeration System Suction Line and Compressor Accessories
System Evacuation
System Charging and the Pressure-Temperature Chart
Type III Certification
Leak Detection
Leak Repair Requirements
Recovery Techniques
Recovery Requirements
Recharging Techniques
Safety
Saturation Chart Back
Practice Exams
The ESCO Institute offers Free practice exams accessible from any PC, laptop, tablet, or smartphone.
Practice Exams
Online Course
We invite you to look at our online course, which has everything in the Preparatory Manual, and much more.
Take Online Course
Taking the Exam
For information on a testing center near you, contact us at 800 726-9696. In addition, click here to learn about other options, which include how to take the exam from the safety of your home.
Take Closed-Book Exam Online