EXPOSURE MODELING WORKSHOP

HOSTED BY NORTH-WEST UNIVERSITY, SOUTH AFRICA

A hands-on workshop addressing internationally harmonized approaches used by International Agencies including EPA and EU REACH for assessing the exposure to pesticides and nanomaterials.

CSBJ: Nanoscience and Advanced Materials flyer.

VENUE

20-22 of November 2023

Misty Hills Country Hotel, Muldersdrift, Gauteng, South Africa

Programme

Please download the final version of the programme from this link.

PURPOSE

Pesticide and nanomaterials exposure refers to the contact or presence of pesticides and nanomaterials in the environment, affecting living organisms, including humans, animals, and plants. Exposure can occur through various routes, such as inhalation, dermal contact, or ingestion. The exposure may happen during the manufacturing, formulation, application, or postapplication phases. It can affect individuals directly involved in pesticide and nanomaterials handling, such as farmers, applicators, or workers in pesticide and nanomaterials manufacturing facilities. Additionally, exposure can also occur indirectly when people come into contact with residues on treated crops, soil, water, or in the air. The exposure assessment step aims at determining the likelihood of exposure (to humans or to other organisms), as well as the magnitude, and duration of the doses from all potential exposure routes. Ideally, the exposure estimation should be based on measured values. However, measurement data of sufficient quality and quantity are only available for relatively few exposure situations and therefore modelling is often the only cost-effective tool for making exposure assessments. A wide variety of exposure models are currently employed for health risk assessments, and these can be broadly categorised according to types of exposure source: environmental, dietary, consumer product or occupational and may be aggregate or cumulative. Aggregate exposure models consider multiple exposure pathways, while cumulative models consider multiple chemicals and stressors.

WHAT IS AIMED TO ACHIEVE?

Face-to-face lectures will be presented by experts in different exposure assessment models. Topics covered will include models in the prediction of occupational, dietary, and environmental exposure assessments for pesticides and nanomaterials. Training will also be provided on these topics through case studies.

PREREQUISITES

Basic knowledge in environmental and human health risk assessment. Interest in developing skills in exposure assessment of pesticides and nanomaterials.

WHO SHOULD ATTEND?

Environmental and health professionals, such as public health officials, occupational health and safety officers, environmental regulators, supervisors, and managers who supervise pesticide and nanomaterials application or work in agricultural or industrial settings where pesticides and/or nanomaterials are used. Any graduate student or postdoctoral fellow interested in the risk assessment of pesticides and/or nanomaterials.

FEES

There are no registration fees. Free accommodation will be provided for all attendees and airfare costs will be paid for the attendees coming from African countries.

QUESTIONNAIRE

Please fill in the questionnaire found at this link. Note that preference will be given to those who are currently using computational exposure modelling approaches in their research/daily employment duties. This workshop assumes that you know the basic principles of human health risk assessment and will be geared towards hands-on training of existing computational exposure models used for pesticides and nanomaterials.

A MAXIMUM OF 30 ATTENDEES WILL BE CONSIDERED FOR THIS WORKSHOP

DEADLINE FOR COMPLETING QUESTIONNAIRE

Please complete the questionnaire by 15 August 2023.

Contact

For more information contact Adri Joubert.

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