https://youtu.be/rlNVjxbGu-U

https://youtu.be/XzUvbKHacsc

https://youtu.be/DF1dDKl2bo4

https://youtu.be/bAvq0ndWnYM

*** 04 -** Environmental transmission pathways.

https://youtu.be/8rClNNZIDKU

*** 06 -** Introduction on Water Quality criteria.

https://youtu.be/IS2_gOzzsGI

https://youtu.be/x8ilOssaJOQ

https://youtu.be/8sOs_B3ECag

*** 08 -** Water quantity.

https://youtu.be/_scQ2ppUOi0

https://youtu.be/OJS17zLd49Q