All Germs
Germs

Poliovirus type 1

UV doses per log reduction

112232437.21D90 · 90 %14.42D99 · 99 %21.63D99.928.84DVGW 4-log36599.999 %43.2699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Virus

UV resistance

Moderate

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