Qualitative Occupational Health Risk Assessment (OHRA) Solutions

A Qualitative Occupational Health Risk Assessment (OHRA) is a process which involves the evaluation of all the potential health hazards in the workplace. The evaluation method comprises inspection of the workplace and interviews with different workers’ groups to make sure that all potential health hazards are properly analyzed. The assessment of potential worker exposure is based on the information gathered during the assessment.

At Velosi, our skilled risk assessment professionals conduct Qualitative Occupational Health Risk Assessment through an indirect and direct risk assessment of exposures. We ensure that all exposure measurements follow a validated statistical sampling and assessment methodology along with all the necessary quality control procedures. Velosi offers a decision flowchart to help decision-making on which exposure measurement strategy is used in a specific context.

Qualitative Occupational Health Risk Assessment (OHRA) Solutions

Indirect Qualitative Assessment

An indirect qualitative assessment is usually made either during a walk-through survey for identifying the potential health hazards or based on the previously conducted direct quantitative measurements of exposure, or a mixture of the two. The level of exposure is evaluated by considering the below elements:

Hazards that have been recognized
Similar exposure groups (SEGs) that have been defined
Processes, tasks and areas that are considered over the review of documents
Walk-through survey and discussions with managers and other workforce

Direct Qualitative Assessment

A direct risk assessment is performed when doubts arise about compliance with recognized exposure limits; excessive exposure could involve severe health effects, or when justification is required to carry out control measures.


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