All Germs
Germs

Bacillus subtilis spores

UV doses per log reduction

8172533121D90 · 90 %222D99 · 99 %333D99.94DVGW 4-log599.999 %699.9999 %mJ/cm²LOG-REDUKTIONS-STUFE

Medium & classification

Water
Bacterial spores
Size 1200 nm
Test wavelength 254 nm

UV resistance

Moderate

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

Datenblatt & Quellen

Chang et al. (1985) Study

Verwandte Inhalte

Similar germs (same type / medium):

Bacillus subtilis D90: 8.0 mJ/cm²Bacillus subtilis D90: 10.1 mJ/cm²Bacillus subtilis D90: 10.8 mJ/cm²Bacillus subtilis D90: 15.5 mJ/cm²