Presented by IWMI's Maha Halalsheh as part of a series of training workshops held in 2021 entitled 'The safe use of wastewater' explaining the modules in the ' Governance and Reuse Safety Plans' handbook developed as part of our ReWater-MENA project. More about our work: https://rewater-mena.iwmi.org/

1. Maha Halalsheh
Wastewater treatment expert
Describe the existing sanitation system - Module Three
Reference WHO SSP Manual, pages (22-38)

2. Learning objectives
Understand
how to map
the system
Define and
characterize
waste
fractions
Identify
potential
exposure
groups
Gather
compliance
and
contextual
information
Validate
system
description

3. System mapping

4. Example on system flow diagram

5. At each step of the chain

6. Characterize waste fractions and identify hazards

7. Waste fractions and potential health hazards (example)

8. Identify potential exposure groups
Categorize people that may be exposed to a particular hazard to enable:
1. Prioritize control measures
2. Define potential exposure groups in the risk assessment (module 3)

9. Gather compliance and contextual information
Relevant quality standards, certification, and auditing
requirements
Information related to system management and
performance
Demographics and land use patterns
Known or suspected changes relating to
weather or other seasonal conditions

10. Validate the system description
Field
or
other
investigations
Sanitary inspections
Focus group
discussions
Key informant
interviews
Samples collections
and testing

11. Continue the role play

12. Outputs of the Module
Validated map and description of the system
Understanding of the waste stream constituents and
waste related health hazards
Potential exposure groups
A compilation of all relevant technical, legal and
regulatory information
Validated system description

13. Questions

14. Thank you.