
On the Edge of Time
Here there be dragons. On the edge of time, in the wicked twists of wyrmhole space, wyrmdragons pre
Uncategorized AWWA 21 14th Mar, 2023
This standard sets the minimum requirements for closed-vessel UV disinfection systems and equipment elements used for drinking water disinfection of Cryptosporidium, Giardia, and viruses. It does not include wastewater, reuse, or advanced oxidation treatment. Equipment and elements covered under this standard include UV reactors, related appurtenances and reactor validation