E. coli

Test conditions & context

UV-C dose–response (D-values)

A D-value is the UV-C dose (in mJ/cm²) needed for a given log-reduction. D90 = 90 % inactivation = 1-log; D99 = 99 % = 2-log; D99.9 = 99.9 % = 3-log, and so on. Values come from the cited study under its specific test conditions.

Primary source

Kowalski (2009). doi.org/10.1016/j.buildenv.2007.10.009

Other studies for this species (11)

• Quek 2008 Surface· D90 2 mJ/cm²
• Knobling et al. 2023 · 279 nm Surface· D90 3.8 mJ/cm²
• Bintsis et al. 2017 · 280 nm Surface· D90 2.5 mJ/cm²
• Kim 2002 Surface· D90 3.4 mJ/cm²
• Coohill & Sagripanti 2008 · 254 nm Water· D90 1.4 mJ/cm²
• Kim 2002 Water· D90 4.7 mJ/cm²
• Chang et al. 1985 · 254 nm Water· D90 3 mJ/cm²
• Rodríguez-Chueca et al. 2022 · 268 nm Water· D90 0.7 mJ/cm²
• Oguma 2001 Water· D90 2 mJ/cm²
• Rodríguez-Chueca et al. 2022 · 279 nm Water· D90 1 mJ/cm²
• Vermeulen et al. 2008 · 265 nm Water· D90 1.5 mJ/cm²