All Germs
Germs

E. coli

UV doses per log reduction

3691221D90 · 90 %42D99 · 99 %63D99.984DVGW 4-log10599.999 %12699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Surface
Bacterium (vegetative)

UV resistance

Sensitive

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