prof. dr. P.E.G. Leonards

prof. dr.

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Personal profile

Personal information

Pim Leonards is professor in Environmental Bioanalytical Chemistry. He has more than 20 years of experience in field and experimental studies related to environmental chemistry, analytical method development, bioaccumulation, indoor exposure assessment, and metabolomics. Nowadays, his focus is on emerging chemicals, indoor exposure assessment and metabolomics.

He participated in several national and research projects for the government, European commission, or industry. He was the coordinator of EU research project “Life Cycle Assessment of Environment-Compatible Flame Retardants (Prototypical Case Study) (ENFIRO)”. He also coordinated the EU “Developmental Neurotoxicity Assessment of Mixtures In Children (DENAMIC)”. Professor Leonards has a broad experience in trace organic analysis (e.g. brominated flame retardants, chlorinated paraffin’s), ecotoxicology, metabolomics, risk assessment and the organisation of workshops on contaminants. He has published more than 100 peer reviewed articles on the topics of environmental chemistry, analysis, ecotoxicology and metabolomics.


Contact information:

T: +31205989509


1990: Master's Degree, Aquatic ecotoxicology, University of Amsterdam.

1997: PhD Analytical Chemistry (PCBs in mustelids; analysis, food chain transfer and critical levels), Institute for Environmental Studies (IVM), Vrije Universiteit Amsterdam.

Ancillary activities

  • Uppsala University and Umea University | Uppsala en Umea | Evaluation research proposal/PhD opposition | 2017-11-01 - present
  • Nature in Stock | Rotterdam | Stock photography | 2018-01-01 - present

Ancillary activities are updated daily


  • Q Science
  • Metabolomics
  • Environmental pollution
  • Indoor
  • Flame retardants
  • Non-target screening
  • chemical analysis
  • emerging chemicals
  • chlorinated paraffins

Fingerprint Dive into the research topics where P.E.G. Leonards is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 17 Similar Profiles
Flame Retardants Chemical Compounds
Mass spectrometry Chemical Compounds
Halogenated Diphenyl Ethers Chemical Compounds
Gas chromatography Chemical Compounds
Sediments Chemical Compounds
Plasticizers Chemical Compounds
Toxicity Chemical Compounds
Gas Chromatography Medicine & Life Sciences

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 1996 2020

The underlying challenges that arise when analysing short-chain chlorinated paraffins in environmental matrices

Mourik, L. M. V., Lava, R., O'Brien, J., Leonards, P. E. G., Boer, J. D. & Ricci, M., Jan 2020, In : Journal of Chromatography A. 1610, 460550.

Research output: Contribution to JournalArticleAcademicpeer-review

A Multiomics Study To Unravel the Effects of Developmental Exposure to Endosulfan in Rats: Molecular Explanation for Sex-Dependent Effects

Tarazona, S., Bernabeu, E., Carmona, H., Gómez-Giménez, B., García-Planells, J., Leonards, P. E. G., Jung, S., Conesa, A., Felipo, V. & Llansola, M., 16 Oct 2019, In : ACS Chemical Neuroscience. 10, 10, p. 4264-4279 16 p.

Research output: Contribution to JournalArticleAcademicpeer-review


Chlorinated Paraffins in Car Tires Recycled to Rubber Granulates and Playground Tiles

Brandsma, S. H., Brits, M., Groenewoud, Q. R., van Velzen, M. J. M., Leonards, P. E. G. & de Boer, J., 2 Jul 2019, In : Environmental Science and Technology. 53, 13, p. 7595-7603 9 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Early-life exposure to persistent organic pollutants (OCPs, PBDEs, PCBs, PFASs) and attention-deficit/hyperactivity disorder: A multi-pollutant analysis of a Norwegian birth cohort

Lenters, V., Iszatt, N., Forns, J., Čechová, E., Kočan, A., Legler, J., Leonards, P., Stigum, H. & Eggesbø, M., Apr 2019, In : Environment International. 125, p. 33-42 10 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
confidence interval

Evaluating age and temporal trends of chlorinated paraffins in pooled serum collected from males in Australia between 2004 and 2015

van Mourik, L. M., Toms, L. M. L., He, C., Banks, A., Hobson, P., Leonards, P. E. G., de Boer, J. & Mueller, J. F., 7 Dec 2019, In : Chemosphere. 244, p. 1-9 9 p., 125574.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
detection method

Activities 2002 2016

  • 49 Lecture / Presentation
  • 1 Editorial work

Simultaneous determination of chemicals in indoor dust for potential human exposure assessment

L. Lucattini (Speaker), M.H. Lamoree (Speaker), J. de Boer (Speaker), A.M. Ballesteros-Gomez (Speaker), J. Meijer (Speaker), P.E.G. Leonards (Speaker)
16 Jun 2016

Activity: Lecture / PresentationAcademic

Non-target and suspect screening for organic substances in indoor dust for human exposure assessment

L. Lucattini (Speaker), A.M. Ballesteros-Gomez (Speaker), S.H. Brandsma (Speaker), M.H. Lamoree (Speaker), J. de Boer (Speaker), L. Småstuen Haug (Speaker), J.A. Padilla Sanchez (Speaker), E.Z. Papadopoulou (Speaker), P.E.G. Leonards (Speaker)

Activity: Lecture / PresentationAcademic

Chemosphere (Journal)

P.E.G. Leonards (Member of editorial board)

Activity: Peer review and Editorial workEditorial workAcademic

Alternative flame retardants - invited lecture

P.E.G. Leonards (Speaker)
7 Jun 2012

Activity: Lecture / PresentationAcademic

Investigating the environmental relevance of laboratory bioconcentration test - invited lecture

P.E.G. Leonards (Speaker), S.P.J. van Leeuwen (Speaker), A.G.M. van Hattum (Speaker), F. Gobas (Speaker), H.A. Leslie (Speaker)
27 Jan 2011

Activity: Lecture / PresentationAcademic