Document
Biosand Filter Competencies - Installation
This competency assessment tool was designed by CAWST to measure and guide the professional development of BSF Technicians in the area of installation.
Document
Biosand Filter Competencies - Installation
This competency assessment tool was designed by CAWST to measure and guide the professional development of BSF Technicians in the area of installation.
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Contact usAbout CAWST
CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.