Consultancy by topic

Category Archives

Our projects have different objectives, depending on the questions of our clients. Some common issues are highlighted here. For instance, you can find more information about Biological monitoring and Occupational disease.


The following projects have been completed recently. Read more about our other projects, by topic, using the right menu.

Deriving Occupational Exposure Limits (OELs)

10 Apr 2013

For several years, the role of deriving Occupational Exposure Limits (OELs) has been moving more and more from government to industry. This is leading to an increased responsibility for companies working with hazardous substances, as the number of chemicals rather increases than decreases.

Caesar Consult assists companies and other organizations in the derivation and evaluation of exposure limits for dangerous substances and mixtures. These limits can be both air and biological values. We also take a critical look at work of third parties regularly.

Retrospective exposure assessment

3 Apr 2013

In a retrospective exposure assessment, the exposure occured during previous employment as well as possible exposure related to hobbies and environmental exposure are accounted.

Examples are: a diesel pump mechanic, an ex-painter, employees of of a waste incineration, a former car factory employee.

For whom? We conduct these assessments for victims, insurance companies, personal injury firms, lawyers, courts, and employee representatives (unions).

Expert in case of occupational disease and occupational hygiene

3 Apr 2013

(Retrospective) assessment of occupational hygiene and toxicology related aspects in legal cases towards claims in cases of occupational disease due to possible exposure to hazardous substances.

Clients: various large law firms, unions and insurers.

Asbestos standards reduced firmly

14 Feb 2013

While the use of asbestos was banned in 1993, exposure (both environmental and occupational) to it still occurs due to renovation of buildings, repairing of ships, soil decontamination, and the presence of asbestos in the environment.
The most common health effects of exposure to asbestos are pleural and peritoneal cancer (mesothelioma) and lung cancer. Recently, the Dutch Health Council (GR) reassessed the studies aimed at the relation between asbestos exposure and cancer (see
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Evaluation of the hazard of skin permeation of bitumen fume in occupationally exposed workers

8 Feb 2013

poster “REVIEW OF SKIN PERMEATION HAZARD OF BITUMEN FUME” presented at the  symposium Health Effects of Occupational Exposure to Emissions from Asphalt/Bitumen Symposium, co-organised by DFG and ACGIH at 7-8 juni 2006, Dresden, Germany

Read the corresponding paper in the journal of Occupational and Environmental Hygiene (2007).