Chapter 32

Appendix C. Job Hazards Analysis Process


Approved by John Seabury
Revised 08/09

C.1 Job Hazards Analysis Process Details

a.     Description of Work Statement

The Description of Work statement is a critical element of the JHA. The Description provides the basis for the further analysis of the tasks, hazards and controls: any Work performed and analyzed must be described in this statement.

When preparing a Description of Work, include at least the following elements, as applicable:

The Description of Work must be consistent with the Hazards Profile (the Tasks, Hazards and Controls) that analyzes that work. The Description provides information on what the work encompasses, and the Hazards Profile describes the controls necessary to safely conduct that Work. If the Hazards Profile contains controls for tasks that are not included in the Description, then there is an inconsistency that must be corrected. Similarly, if the Description implies hazards that are not adequately controlled, then that is also an inconsistency.

b.      Tasks, Hazards, and Controls

In analyzing the tasks, hazards, and controls, the following apply:

Table C-1. Examples of Task Descriptions

Inadequate Descriptions

Adequate Descriptions

Lab Work

Working with chemicals (hazards described in further detail).

Working with radioactive materials.

Assembly and disassembly of vacuum chambers and other apparatus.

Winding magnets.


Cutting wood on stationary machinery such as table saws, shapers, and sanders.


Lifting boxes and equipment to heights up to approximately 48” above ground level.


Table C-2. Examples of Hazard Descriptions

Inadequate Descriptions

Adequate Descriptions


Skin, eye or inhalation exposure to, or property damage caused by, corrosive materials

Skin, eye or inhalation exposure to, or fire from, flammable materials

Select carcinogens


Electrical shock and arc flash

Physical Hazards


Trips, slips, falls from heights; injuries to persons below from dropped objects

Musculoskeletal discomfort or injury


Table C-3. Example Control Descriptions

Inadequate Descriptions

Adequate Descriptions

Use proper Personal Protective Equipment

Wear lab coats, closed-toe shoes, and safety glasses with side shields whenever handling chemicals.

Use nitrile gloves whenever handling chemicals, unless other gloves are located at that Work location.

Wear earmuffs when operating the chop saw.

Hand protection

Wear leather gloves or equivalent whenever handling sheet metal.

Lift carefully

Have a second person assist with the lift.


EHS0042 (Handling Aggressive Gerbils).

Task-specific on-the-job training, as documented in the lab notebook.

c.       JHA Development Work Session

  1. During the JHA Development Work Session, the Worker and Work Lead together review the draft Hazards Profile, and make any changes necessary to have it accurately describe the tasks performed and the associated hazards and controls. The Work Lead and Worker should add tasks and associated hazards and controls if they are not described in the Hazards Profile, and delete any that are listed but not applicable.

    1. Where required to support the development of controls, request an Exposure Assessment through the Division Safety Coordinator. See Appendix E for a discussion of exposure assessment.

    2. A Facilitator (e.g., an EH&S Liaison, Division Safety Coordinator, EH&S Subject Matter Expert, etc.) can be requested to assist in the JHA Development Work Session.

    3. If necessary, a draft Hazards Profile may be saved and the process resumed at a later date.

  2. Upon agreement that the Hazards Profile accurately reflects the tasks, hazards, and controls for the Work, the Work Lead signs the document. This signature creates the Work Authorization, confirms that the Work Authorization has been discussed with the Worker and that readiness review indicates that work may safely proceed, and authorizes the Work subject to the controls specified. If some portions of the Work require controls that are not in place (for example, training, additional analysis, or formal authorization), the Worker may not perform that portion of the Work until the required controls are in place.

  3. The Baseline JHA document is prepared by the JHA software.

C.2 The Individual Baseline Job Hazards Analysis

All workers must have a Work Authorization that contains the elements defined in Section 32.2.

A Hazards Profile is created by answering questions about one’s work, with the answers supplemented by one or more pre-defined Work Group Hazards Profiles. The process is illustrated in Appendix B: JHA Process Flowchart, Path 2. Work Group Hazards Profiles are not required but are suggested to provide consistency of analysis within a set of Workers conducting similar Work.

a.      Creating a Draft Individual Baseline JHA

Responses to questions posed by the JHA system generate preliminary information regarding tasks and hazards to which the Worker may be exposed. This information is then used during a JHA Development Work Session as a draft Hazards Profile.

b.      Using a Work Group JHA to Create a Draft Hazards Profile

In many Work situations, it is appropriate to have a pre-defined set of tasks, hazards, and controls that are common to a group of Workers. This pre-defined Work Group Baseline JHA can be used as a template for a Hazards Profile during the JHA process. Using the Work Group JHA approach assures that:

To create a Hazards Profile, the owner of that Work Group JHA (who may be the Work Lead) proceeds as follows:

  1. Determine the members of the Work Group. A Work Group is a set of individuals having common administrative structure that performs similar tasks with common hazards and controls.
  2. Contact the Division Safety Coordinator to initiate the Work Group JHA creation process. The Work Group Owner will be given access to create Work Group JHAs by JHA System Administrators at the request of the Division Safety Coordinator.
  3. The Division Safety Coordinator (and any additional personnel requested, such as Subject Matter Experts) assists the Work Group Owner in defining the parameters that constitute the group, including members, scope of the Work, tasks included and excluded, hazards, and controls. Work Group JHAs are generated by the Work Group Owner responses to the JHA questions as they apply to the Work Group. The end product is a Work Group Baseline JHA rather than a draft Individual Baseline JHA.
  4. The Work Group Owner stores the completed Work Group Baseline JHA, which makes it available for use by members of the group

The group should be created at as high an organizational level as is consistent with clearly defined administrative structure, tasks, hazards, and controls. The precise level depends upon each division’s management structure. In some divisions, it may be appropriate to define the group at the department level, while in other divisions, it may be more appropriate to define the group at the level of each research unit (or possibly lower, if the size and diversity of the research unit call for it).

The Work Group Owner may make changes to the Work Group JHA at any time. These changes affect future users of that template, but do not affect previous users.

C.3 The Task-based Job Hazards Analysis

Some tasks that a Worker may need to perform are unpredictable, short-term, or unusual in nature, such that including them in the Individual Baseline JHA is not efficient. In this case, a Task-based JHA may be developed for these activities. Task-based JHAs are addenda to a Worker’s Individual Baseline JHA, and exist only for the duration of the task. Examples of situations that might be appropriate for a Task-based JHA include: