Pesticide Properties DataBase (PPDB) - Terms and Conditions of Use

Sep 5, 2026

Terms and conditions governing use of the Pesticide Properties DataBase (PPDB) website and database, including how users may access and cite information for academic and noncommercial purposes with proper reference. The document sets restrictions on copying, redistribution, modification, and creation of derived or rearranged databases without written permission and a license. It also explains database management and update practices, disclaims warranties and liability, and addresses access reliability and potential suspension or closure.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Using the information in the database

Permitted academic and noncommercial use with citation

Restrictions on copying, redistribution, and derived databases

Citation guidance for journals and specific substances

Updates, access, and liability disclaimers

Agricultural Substances Databases Agriculture & Environment Research Unit The University of Hertfordshire Pesticide Properties DataBase-Terms and Conditions of Use This document seeks to describe the terms and conditions of use of the Pesticide Properties DataBase (PPDB) website and database. Answers to other common questions are available in the document 'PPDB Questions and Answers' on the PPDB website. Information on the management and data acquisition of the database can be found in a document ‘Background and Support’ that is also available on the PPDB website. A simple guide to using the database ‘Instructions for use’ is also available. Please read these terms of use carefully before you start to use the website and/or database. By using our website and/or database, you indicate that you accept these terms of use and that you agree to abide by them. If you do not agree to these terms of use, please refrain from using our database or website. Using the information in the database • The information contained in the BPDB web pages can be used free of charge for academic and noncommercial use provided proper reference to the database is given. This reference should also be included when linking to the MS Access database from other websites. The general reference that should be used to refer to the database is as follows: Tzilivakis, J., Lewis, K.A., Green, A. and Warner, D.J. (2026) A decade of growth and impact of the Pesticide Properties Database (PPDB) . Human and Ecological Risk Assessment: An International Journal, 1–26. DOI: 10. 1080/10807039 .2026.2702066 Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) . An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4): 1050-1064. DOI: 10. 1080/10807039 .2015.1133242 If you are using and so referencing pesticide dissipation on or in plant matrices then the following reference may be appropriate: Lewis, K. & Tzilivakis, J. (2017) . Development of a data set of pesticide dissipation rates in/on various plant matrices for the Pesticide Properties DataBase (PPDB) . Data, 2(3), 28. DOI: 10.3390/data2030028 When refering to wild bee toxicity data, the below may be more appropriate: Lewis, K.A. & Tzilivakis, J. (2019) . Wild bee toxicity data for pesticide risk assessments. Data, 4(3): 98. DOI: 10.3390/data4030098 If you wish to cite this website generally or for a specific substance, please use the following citation(s) in addition to the articles above: AERU. (2026) . Pesticide Properties Database (PPDB). Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. Available at: [https://sitem.herts.ac.uk/aeru/ppdb/](https://sitem.herts.ac.uk/aeru/ppdb/) (Last accessed: 23/07/2026) . If you wish to cite a specific substance then please adapt the citation accordingly by adding the substance name and ID/URL. For example: AERU. (2026) . Pesticide Properties Database (PPDB): Lindane. Agriculture and Environment Research Unit (AERU), University of Hertfordshire, UK. Available at: [https://sitem.herts.ac.uk/aeru/ppdb/en/Reports/370.htm](https://sitem.herts.ac.uk/aeru/ppdb/en/Reports/370.htm) (Last accessed: 23/07/2026) . • Data may not be copied, reproduced, republished, posted, broadcast or transmitted in any way without first obtaining the University of Hertfordshire’s written permission and only after a licence is in place. • For journal articles where Open Data and/or Data Availability Statements are needed (i.e. where authors are encouraged to make the research data underlying their articles publicly available, e.g. through deposition in a public database), please cite the PPDB as your data source with a link to the online database (i.e. [https://sitem.herts.ac.uk/aeru/ppdb/](https://sitem.herts.ac.uk/aeru/ppdb/) ) as it is a public database. Duplicating the data in an article, supplementary material or a data repository wi

FAQs

Can the PPDB data be used for academic and noncommercial purposes?

Yes. PPDB web page information may be used free of charge for academic and noncommercial use, provided proper reference to the database is included, including when linking to the MS Access database.

What actions are prohibited without written permission and a license?

Users may not copy, reproduce, republish, post, broadcast, or transmit the data, and may not distribute, modify, supplement, split, rearrange, or set up derived databases without the University of Hertfordshire’s written permission and an in-place license.

Does the university guarantee complete datasets and uninterrupted access?

No. The PPDB is provided “as it stands,” the university does not guarantee full datasets or useful accessibility in every hardware/software environment, and access may be suspended or the site closed. The document also disclaims direct and indirect damages from use or inability to use the PPDB.

Sep 5, 2026

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