All Germs
Germs

Poliovirus type 1

UV doses per log reduction

15304560101D90 · 90 %202D99 · 99 %303D99.9404DVGW 4-log50599.999 %60699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Virus

UV resistance

Moderate

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