HAZ (Hazardous Substances Removal Certification)


NOTE: You must also be an existing contractor in good standing in order to add a (HAZ) Hazardous Substance Removal Certification certificate to your license.

A) Hazardous Substances (HAZ) Removal Manual 

B) Audio/Video Lectures:

  • Math Review – CD/DVD
  • Hazardous Substances Removal – CD/DVD
  • Health and Safety – CD/DVD
  • Hazardous Substances Removal Review Questions – CD/DVD

C) Hazardous Substances Removal Practice Questions:

  • Three Simulated Exams
  • HAZ Exam Updates
  • Health and Safety

D) NEW! HAZ Hazardous Substances Removal Certificate Computer-Assisted Practice Tests:
    Full online access for one full year!

The Trade Exam: All CLC trade exam preparation programs utilize our proven combination of instructional textbooks with corresponding Audio and Video support materials and Online Practice Exams.

If you are already a licensed contractor & wish to add an additional license, you only have to pass the trade exam. You are not required to take the Law and Business exam again!

PART 1 The HAZ Exam

The Hazardous Substances Removal (HAZ) Manual: briefly covers the major topics of the State exam including Hazardous Waste, Sampling, Personal Protective Equipment, Atmospheric Hazard Guidelines, Site Control, Underground Storage Tanks, Subsurface Barriers, Excavation Equipment, and Transporting Hazardous Materials. The manual also includes a Glossary and a section covering the Health and Safety Orders. The last section of the HSR manual is the Hazardous Substances Removal Review Questions.

Audio/Video Lectures: The Math Review Lecture covers the math formulas in the first part of the HSR manual. The Hazardous Substances Removal General Knowledge lecture covers the topics addressed in the manual specific to the HSR Certificate exam. The Health and Safety Lecture covers the Health and Safety Orders at the end of the HSR manual. The Hazardous Substances Removal Review Questions lecture covers the Hazardous Substances Removal Review Questions in the back of the manual.

Hazardous Substances Removal Practice Questions: Please be sure that you study all of the practice exams. It is important to read and understand each question, and read every word of the explanations. It is necessary to learn the principles behind the question because the State’s questions may be worded differently.

The Hazardous Substances Removal Contractor’s Online Practice Tests load directly into your browser. The program presents questions one at a time, automatically scores your exam, presents you with a grade, and lists each question answered incorrectly along with the correct answer.


General Information:

No contractor shall engage in a removal or remedial action of hazardous material as defined in the CA Business & Professions Code,  unless the qualifier for the license has passed an approved hazardous substance certification examination. The Hazardous Substance Removal Certification (HAZ) Examination is divided into five major sections. These sections are: 1: Planning and Estimation. 2: Hazardous Substance Management. 3: Storage Tank Installation and Upgrade. 4: Storage Tank Removal and Closure. 5: Health and Safety.

This lesson reviews the fundamentals of the Hazardous Substances Removal Certification trade exam. Both novice tradesmen and seasoned pro’s will benefit greatly from this review material.