All Germs
Germs

Poliovirus type 1

UV doses per log reduction

112334457.51D90 · 90 %152D99 · 99 %22.53D99.9304DVGW 4-log37.5599.999 %45699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Virus

UV resistance

Moderate

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