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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: J Environ Health. 2017 Oct;80(3):34–49.

Table 1.

Experimental Conditions

Toilet Type Flush Volume Condition # of Flushes Particle Replicate Trials
PAT Low 12 0.25 μm FM 1
High 1
HET Low 24 0.25 μm FM 3
0.5 μm FM 3
1.0 μm FM 3
High 4 0.25 μm FM 3
HET Low 24 Pseudomonas fluorescens 3
High 3
FOM 24 0.25 μm FM 1
FOM 24 Pseudomonas fluorescens 6
FOM 24 Clostridium difficile 3

PAT = pressure-assisted toilet; HET = high efficiency gravity flow toilet; FOM = flushometer toilet; FM = fluorescent microspheres.