Substance Grouping

The main objective of WP5-Substance Grouping is to address the central hypothesis that grouping persistent and mobile substances based on specific molecular substructures will support persistent and mobile substance prioritization and directed risk assessment procedures.

This will be achieved through the following sub-objectives: 

Develop and apply a novel method of grouping persistent and mobile substances

Compile information on uses, emissions, circularity and environmental monitoring of these persistent and mobile substances and their alternatives, as a robust, updatable, open-access data set (with WPs 2,4,6 and 7)

Apply this data for persistent and mobile alternatives assessment and safe-and-sustainable by design strategies (with WPs 2,4 and 8)

Implement the persistent and mobile substance grouping system as part of an early warning system for persistent and mobile substance groups of emerging concern (WPs 3,6 and 8)

The Team

To tackle all PM substances on the global chemical inventory, WP5 will be a constellation combining the work of Dr. Hans Peter Arp (lead, NGI/NTNU) in developing the science behind the PMT/vPvM criteria, with two leaders in the fields of using (open) big data approaches to solve urgent environmental chemistry problems, Dr. Emma Schymanski (Uni.Lu) and Dr. Zhanyun Wang (EMPA). The database manager for this WP is Dr. Raoul Wolf (NGI). The team will be complimented by Andreas Smestad (digital manager) and three to-be-hired postdocs/PhDs.

Initial substance groups prioritized by WP5

Norwegian Geotechnical Institute (NGI)
P.O. Box. 3930 Ullevål Stadion
N-0806 Oslo, Norway
 Dr. Hans Peter Arp
WP5 leader
 Dr. Raoul Wolf
Andreas Smebye
 Postdoc (to be hired)
University of Luxembourg (
2 Av. de l’Universite
4365 Esch-sur-Alzette, Luxembourg
 Dr. Emma Schymanski
PhD Student (to be hired)
Swiss Federal Laboratories for
Materials Science and Technology (EMPA)

Ueberlandstrasse 129
8600 Dübendorf, Switzerland
 Dr. Zhanyun Wang
PhD student/postdoc (to be hired)