Post graduate education in environmental toxicology, technology and management on health on environment risk and impact assessment

1
Post-Graduate Education in
Environmental Toxicology, Technology and Management on
Health/Environment Risk and Impact Assessment

Exercise: WHO Human Health Risk Assessment Toolkit (HH RA Toolkit)

19 and 20 December 2011, Chulabhorn Research Institute, Bangkok, Thailand

Introduction: Students will be presented with three case studies, including a pesticide, a PCB and a
chemical emergency case study. Students will be divided into three groups. Each group addresses one case
study. The WHO Human Health Risk Assessment Toolkit (HHRA Toolkit) is the main resource material.
Internet is provided to be able to access information sources mentioned in the HHRA Toolkit. Students will
be presented with background information on case scenarios at the outset of the exercise. Additional
information will be provided as students go along. Brief plenary session will be used to share strategies and
intermediate results by Working Groups. Resource persons will be in the class room for questions during
the 2 days of this session.

PROPOSED AGENDA
Day 1 – Afternoon, Monday, 19 December 2010

09:00-10:00



• Introduction

Output: Participants are familiarized with the exercise; the Toolkit is introduced; case
studies are presented; the time table is made known, working groups are formed;
students are informed about the final presentation to the "Health Minister".

10:00-10:30



•
Working in groups - Session 1 on Problem Formulation, Hazard
Identification and Hazard Characterization
o Pesticide scenario (Working Group 1)
o Air pollution (Working Group 2)
o
Chemical emergency scenario (Working Group 3)
10:30-11:00
Coffee break
11:00-11:45



• Working in groups - Session 1 (continued)

Output: Risk assessment problem formulated, strategies established by WG to address
risk assessment question/problem; hazards identified, guidance and guideline values
identified and their relevancy discussed.
11:45-13:00




• Brief Reporting back from Working Groups - Session 1 and discussion

Output: WGs present case studies and problem statements; WGs present risk

assessment strategies to address problems; WGs present hazards; WGs present and
discuss the relevancy of guidance and guideline values identified.
13:00-14:00
Lunch break
14:00-15:00



• Working in Groups - Session 2 on Exposure Assessment

Output: Exposure information to address assessment problem in question discussed and
identified; strategies developed to produce missing exposure information.

2
15:00-15:30



• Reporting back from Working Groups - Session 2

Output: Students present the challenges of exposure assessment and their strategy to
receive exposure data.
15:30-16:00
Coffee break

16:00-16:30



• Brief Reporting back from Working Groups - Session 2 (continued)

Output: Students present the challenges of exposure assessment and their exposure
assessment strategies.
16:30-17:30


• Working in Groups - Session 2 (continued)

Output: Students finalize exposure assessment.


Day 2 – Full day, Tuesday, 20 December 2010

09:00-09:30

• Introduction into Day 2

09:30-10:30





•
Working in Groups - Session 3 on Risk Characterization


Output: Students compare exposure and health information and characterize risks.
Students discuss uncertainties. Students discuss further information needs. Students
discuss risk mitigation measures, if needed.

10:30-11:00
Coffee break

11:45-13:00


• Working in Groups - Session 3 (continued)

Output: Students finalize RA and prepare final presentation (Comment: The final
presentation should be prepared as a 10 min briefing note to the Minister of Health to
inform about health risks and related action)
13:00-14:00
Lunch break
14:00-16:00

• Working Group present Risk Assessment Findings to "Health Minister" and
discussion
16:00-16:30

• Final discussion
16:30
Closure of day 2 and exercise