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California
HAZ - Hazardous Substances Removal Certification

Apply for the license

Contractors State License Board
9821 Business Park Drive
P.O. Box 26000
Sacramento, CA  95826
Phone:  (800) 321-2752
www.cslb.ca.gov

Exam Type
CLOSED  BOOK
Exam Content
Subject Area Approx. % of Questions
Identifying Hazardous Waste 14
Project Planning 16
Remediation 11
Underground Storage Tank Removal 28
Underground Storage Tank Installation 12
Job Site Safety 19

Time Allowed (hours) 2.5

California does not publish the number of test questions nor the passing score. According to Blueprint for Becoming a California Licensed Contractor, "You will be informed at the test site about the percentage of correct answers needed to pass each examination." This is also the source of the 2 1/2 hour time limit. If you find that this information is wrong please notify us at webmaster@contractorexam.com.


In California you must also pass a Law and Business Exam unless you are already a licensed contractor who is adding a classification to your license.

25% Discount Notice

Reference Books NOT Permitted in the Exam
(used to write questions)
1. Code of Federal Regulations, Title 29, Parts 1900 to 1910 (especially 1910.120 Hazardous Waste Operations and Emergency Response), GPO.

2. California Air Pollution Control Laws, California Air Resources Board.
3. API 1615: Installation of Underground Petroleum Storage Systems, American Petroleum Institute.
4. Leaking Underground Fuel Tank (LUFT) Field Manual: Guidelines for Site Assessment, Cleanup, and Underground Storage Tank Closure, 1989, California Water Resources Control Board.
5. Guidance Manual for Hazardous Waste Site Activicties (85-115), National Institute for Occupational Safety and Health.
6. Recommended Practices for Installation of Underground Liquid Storage Systems (RP100), Petroleum Equipment Institute.
7. Remedial Action at Waste Disposal Sites (Handbook) (625/6-82-006), U. S. Environmental Protection Agency.
8. Resource Conservation and Recovery Act (RCRA) Orientation Manual, U. S. Environmental Protection Agency.
9. Standard Operating Safety Guides (OCLC27155222), U. S. Environmental Protection Agency.
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 5-Feb-2007

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