TABLE V

Most Common Bacteria Isolated from Cleanrooms (15)

Air/SurfacesPersonnelWalls/FloorsWater
M. luteusS. epidermidisBacillus spp.Burkholderia cepacia
M. lylaeS. hominisStaphylococcus spp.P. aeruginosa
Micrococcus spp.Micrococcus spp.Burkholderia cepacia (Wet surface due to water spillage)P. fluorescens
S. epidermidisCorynebacterium spp.P. alcaligenes
S. hominisPropionibacterium spp.P. oryzihabitans
S. capitisClostridium spp.Alcaligenes spp.
Staphylococcus spp.Bacillus spp.Stenotrophomonas spp.
B. sphaericusAcinetobacter spp.Ralstonia pickettii
B. fusiformisAcinetobacter lowffi
B. cereusSerratia spp.
Bacillus spp.Flavobacterium spp.
Flavimonas oryzihabitansBrevundimonas diminuta
Corynebacterium spp.
Ochrobactrum anthropi spp.
Moraxella spp.
Rhodococcus spp.
  • Note: Compendial species are in bold.