Document
BSF Pathogen Removal Presentation (BSF for Techs)
This presentation describes the four ways biosand filters remove pathogens (Designed for Lesson Plan 11 in the BSF for Tech Trainer Manual)
Document
BSF Pathogen Removal Presentation (BSF for Techs)
This presentation describes the four ways biosand filters remove pathogens (Designed for Lesson Plan 11 in the BSF for Tech Trainer Manual)
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