All Germs
Germs

Bacillus subtilis

UV doses per log reduction

3875113150251D90 · 90 %502D99 · 99 %753D99.91004DVGW 4-log125599.999 %150699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Bacterial spores

UV resistance

Resistant

100 mJ/cm² are needed for 4-log reduction — classification for system sizing.