Hazardous Materials Team Leader, HAZL

Position Category: 
All-Hazard Positions
Position Code: 
Functional Area: 
AD Class: 


The purpose of this position is to act as a Hazard Materials Team Leader to plan and coordinate response to releases or potential releases of hazardous materials and to direct activities required to stop or control the release and take appropriate mitigation action.


  • Directs surveys of the incident and validates preliminary evaluation information to include type of release (spill, explosion or fire), and the hazardous substance involved.  Takes or continues action necessary to control the risk, and secure the scene appropriately.
  • Collects and interprets hazard and response information from Material Safety Data Sheet (MSDS) information, emergency information centers, databases, and other technical resources.
  • Ensures that the emergency response component of the Park Emergency Action Plan and the Incident Command System is implemented.  May act as interim incident commander as required.
  • Confirms the characteristics of the hazardous substance, as well as associated hazards such as toxic fumes.  Based up determination of the extent of damage to containers or other storage sites predicts the likely behavior of released material and the potential impact if other unstable materials are involved.  Directs appropriate action necessary to mitigate hazards identified.  Estimates the size of the endangered area, and implements institutional controls such as evacuation and area closures.
  • Coordinates/leads advanced mitigation, control, and confinement operations required to control the spill, and stop the release, or otherwise contain the hazardous substance such as cooling, plugging or patching containers, applying diluting sprays or neutralizing agents, and constructing dams, dykes, or channels.
  • Leads/participates in rescue operations and provides emergency medical treatment within the scope of certification and training.
  • Cooperates with and assists other emergency response resources.  Ensures proper use of personal protective equipment (PPE), and adherence to all safety procedures.
  • Plans and coordinates decontamination/cleanup operations, and other post-incident activities.
  • Accounts for, utilizes, maintains, and performs minor repair for all issued equipment.
  • Prepares and presents briefings, situation reports and information concerning mission objectives and status changes.
  • Performs additional tasks or duties as assigned during a response.

Position Knowledge and/or Requirements

  • Operational knowledge of the Incident Command System (ICS), and the development and use of integrated action planning concepts and processes.
  • Comprehensive knowledge of emergency response requirements such as those included in a typical Park Emergency Action Plan.
  • Advanced knowledge of HAZMAT operations such as is acquired through successful completion of the Technician Level III HAZWOPER 40 hour training course.
  • Expert knowledge of Personal Protective Equipment (PPE) requirements and use in HAZMAT operations.
  • Knowledge of the Hazard Communication Program including Material Safety Data Sheet (MSDS) information, OSH warning labels, and other hazard substance markings.
  • Knowledge of situational awareness fundamentals including personal equipment, PPE, and general all-risk hazards.
  • Ability to provide emergency first aid and CPR.
  • Knowledge of the proper use and field maintenance of emergency and communication equipment.
  • Knowledge of supervisory practices and principles sufficient to provide leadership, foster open communication and teamwork, provide work direction, and evaluate the performance of hazardous materials team members.
  • Ability to communicate effectively both orally and in writing.

Supervisory Controls

Work direction is provided by a Division Supervisor, Operations Section Chief, Incident commander, or other designated supervisor.  The work is performed independently in accordance with the Incident Action Plan, or operational directives.  Work is reviewed for acceptability and compliance with operating instructions and procedures.


Procedures for doing the work have been established and a number of specific guidelines or standard orders are available such as oral instructions, standard operating procedures, instruction manuals, and health and safety codes.  Occasional problems may not be specifically covered by guidelines.

The incumbent uses independent judgment in locating and selecting the most appropriate guidelines, references and procedures based on the situation at hand, and individual park rules and regulations.


The incumbent responds to a wide variety of hazardous material incidents which require diverse skills, often involving critical life-threatening situations such as spills, explosion, fires, and floods, as well as interactions that require sensitivity to business relationships.  Emergency response often involves decision-making and action in extremely adverse physical and emotional conditions and ability to function effectively in controversial and/or sensitive situations.  Work requires application and modification of established practices in most areas of responsibility, with considerable individual discretion and judgment exercised in emergency situations.

Scope and Effect

The purpose of this position is to lead hazardous substance emergency operations, to implement incident objectives for a safe operation, and to work for short to extended periods of time when controlling spills, containing hazards, or performing decontamination and cleanup.

The Hazardous Material Team Leader’s decisions and actions impact the safety of park incumbents and visitors, the efficiency of operations, and the effectiveness and timeliness of mission accomplishment.

Personal Contacts

Personal contacts are with the local agency emergency response personnel, and/or incident management team personnel during the duration of the incident.  Additional contacts may be made with media operations, park visitors, special interest groups, and others interested and assisting with the incident.

Purpose of Contacts

The purpose of contacts is to lead hazard materials team members, present briefings and orders, as well as to relay incident information to and from the incident management team and other team members, and to provide general and specific information and assistance.

Physical Demands

Work routinely involves physically rigorous assignments and strenuous activity.  Incumbent must maintain excellent physical condition to carry out responsibilities, including the ability to perform hazardous material tasks while wearing heavy and cumbersome PPE.  Response to emergency situations often requires clear reasoning and decisive action under conditions of extreme mental and physical stress.

Work Environment

Work environment is indoors and outdoors in all types of weather, night or day, and for prolonged periods of time.  The incumbent is subject to exposure to a variety of hazardous substances, toxic fumes, and extreme heat or cold.


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