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Additional Trade KIT
Hazardous Removal
Contractors License and Performance Bonds
HAZ - Hazardous Substance Removal Certification

7058.7. (a) No contractor shall engage in a removal or remedial action, as defined in subdivision (d), unless the qualifier for the license has passed an approved hazardous substance certification examination.

(b) (1) The Contractors' State License Board, the Division of Occupational Safety and Health of the Department of Industrial Relations, and the Department of Toxic Substances Control shall jointly select an advisory committee, which shall be composed of two representatives of hazardous substance removal workers in California, two general engineering contractors in California, and two representatives of insurance companies in California who shall be selected by the Insurance Commissioner.

(2) The Contractors' State License Board shall develop a written test for the certification of contractors engaged in hazardous substance removal or remedial action, in consultation with the Division of Occupational Safety and Health, the State Water Resources Control Board, the Department of Toxic Substances Control, and the advisory committee.

(c) The Contractors' State License Board may require additional updated approved hazardous substance certification examinations of licensees currently certified based on new public or occupational health and safety information. The Contractors' State License Board, in consultation with the Department of Toxic Substances Control and the State Water Resources Control Board, shall approve other initial and updated hazardous substance certification examinations and determine whether to require an updated certification examination of all current certificate holders.

(d) For purposes of this section "removal or remedial action" has the same meaning as found in Chapter 6.8 (commencing with Section 25300) of Division 20 of the Health and Safety Code, if the action requires the contractor to dig into the surface of the earth and remove the dug material and the action is at a site listed pursuant to Section 25356 of the Health and Safety Code or any other site listed as a hazardous waste site by the Department of Toxic Substances Control or a site listed on the National Priorities List compiled pursuant to the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (42 U.S.C. Sec. 9601 et seq.). "Removal or remedial action" does not include asbestos-related work, as defined in Section 6501.8 of the Labor Code, or work related to a hazardous substance spill on a highway.

(e) (1) A contractor shall not install or remove an underground storage tank, unless the contractor has passed the hazardous substance certification examination developed pursuant to this section.

(2) A contractor who is not certified may bid on or contract for the installation or removal of an underground tank, as long as the work is performed by a contractor who is certified pursuant to this section.

(3) For purposes of this subdivision, "underground storage tank" has the same meaning as defined in subdivision (x) of Section 25281 of the Health and Safety Code

Content of the Examination

The Hazardous Certification (HAZ) Examination is divided into six major sections. These sections are:

1. Identifying Hazardous Waste (14%)

  • Identification, assessment, and characterization
  • Field monitoring
  • Sampling and analysis

2. Project Planning (16%)

  • Quality Assurance/Quality Control (QAQC) requirements
  • Work plan development
  • Remediation tools & equipment
  • Transportation plan requirements
  • Worker training requirements

3. Remediation (11%)

  • Work plan implementation
  • Remediation monitoring
  • Post-remediation requirements

4. Underground Storage Tank Removal (28%)

  • Pre-removal requirements
  • Decontamination and removal
  • Post-removal manifest and transportation requirements

5. Underground Storage Tank Installation (12%)

  • Pre-installation requirements
  • Earthwork
  • Testing and certification
  • Installation methods and equipment

6. Job Site Safety (19%)

  • Hazard identification
  • Work zone and barrier requirements
  • Personal protective equipment (PPE)
  • Safety codes for various site conditions

*Percentages are approximate*

Test Site Policy
   This is a closed-book examination. No reference materials may be used during the examination. All materials brought to the examination site must be left in an unmonitored area at your own risk.

Test Strategy
   This is a multiple choice examination with four choices per question. Some questions require mathematical computation. Examination questions are written to provide only one BEST answer and are NOT written as trick questions.
   All correct answers have equal value and there are no score reductions for wrong answers. Therefore, all examination questions should be answered.
   Ample time is provided to answer all examination questions, so be sure to read each question and its four choices completely and carefully before selecting the BEST possible answer to the question.

Sample Questions

The following questions are typical of the types of items that are on the examination. The correct answer is highlighted.

1. According to Cal/OSHA, which of the following is characteristic of confined spaces?

  1. areas in which access and egress is limited
  2. areas in which respirators must be worn at all times by workers
  3. areas in which toxic fumes are present
  4. areas in which work must be performed inside an enclosure

2. When reviewing analytical laboratory data, what does precision refer to?

  1. how close data are to the true value
  2. how close data are to each other
  3. how much care was taken in obtaining data
  4. how accurately data have been recorded

3. When should prevention and containment of contaminant release into the surrounding community be addressed?

  1. during site mitigation
  2. during project planning
  3. during demobilization
  4. during transport

*All questions are written and reviewed by licensed contractors who are actively working in the field*

Code 29 of Federal Regulations, Parts 1900 to 1910 (especially 1910.120 Hazardous Waste Operations and Emergency Response).
Building News, Inc.
1612 S. Clementine Street,
Anaheim, CA 92802.
(800) 873-6397. FAX: (714) 535-8078.

California Air Pollution Control Lawbook.
California Air Resources Board, Public Information Office,
P.O. Box 2815,
Sacramento, CA 95812.
(916) 322-2990. FAX: (916) 732-8861.

Installation of Underground Petroleum Product Storage Systems.
American Petroleum Institute,
1220 L Street, NW,
Washington, D.C., 20005.
(202) 682-8375. FAX: (202) 962-4776.

Leaking Underground Fuel Tank (LUFT) Field Manual: Guidelines for Site Assessment, Cleanup, and Underground Storage Tank Closure.
State Water Resources Control Board, Division of Clean Water Programs, Underground Storage Tank Section,
P.O. Box 944212,
Sacramento, CA 94244.
(916) 227-4408. FAX: (916) 227-4349

Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities DHHS (NIOSH) Publication #85-115.
NOISH Publications,
Mail Stop C-13, 4676 Columbia Parkway,
Cincinnati, OH 45226-1998.
(800) 356-4674. FAX: (513) 533-8573

Recommended Practices for the Installation of Underground Liquid Storage Systems.
Petroleum Equipment Institute,
P.O. Box 2380,
Tulsa, OK 74101.
(918) 494-9696. FAX: (918) 491-9895.

Remedial Action at Waste Disposal Sites, EPA Handbook (pb85-201034/LL).
U.S. Department of Commerce,
National Technical Information Service,
5285 Port Royal Road,
Springfield, VA 22161.
(800) 553-6847. FAX: (703) 487-4142

Resource Conservation and Recovery Act (RCRA) Orientation Manual #05500000364-5.
Superintendent of Documents,
Building News, Inc.
1612 S. Clementine Street,
Anaheim, CA 92802.
(800) 873-6397. FAX: (714) 535-8078

Standard Operating Safety Guides.
U.S. Department of Commerce,
National Technical Information Service,
5285 Port Royal Road,
Springfield, VA 22161.
(800) 553-6847. FAX: (703) 487-4142

*Publisher information is current as of 12/01*

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