Contact

We are continuously improving the modelling system behind the service, the service itself and other related functionalities. As such, we are continuously seeking opportunities to increase the capability and quality of the source apportionment service.

Other information

For more detailed information on the source apportionment service, please contact Prof. Dr. Martijn Schaap or Mr. Arjan Zwamborn via the TOPAS email address topas@tno.nl and describe your intended use of the information of TOPAS.

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