TABLE 5.

Exposure pathways, ingested/inhaled volumes, and calculated ingested/inhaled pathogen doses for individuals exposed to tank water containing pathogens

Pathogen exposure and risk scenario	Vol per day or event	Dose range (cells or cysts)
Salmonella spp.
Liquid ingestion via drinking	1,000 ml	6.5 × 101-3.8 × 102
Liquid ingestion via hosing	1 ml	6.5 × 10−2-3.8 × 10−1
Aerosol ingestion via showering	1.9 ml	1.2 × 10−1-7.2 × 10−1
Aerosol ingestion via hosing	1.9 μl	1.2 × 10−4-7.2 × 10−4
G. lamblia
Liquid ingestion via drinking	1,000 ml	5.6 × 10−1-3.6 × 10°
Liquid ingestion via hosing	1 ml	5.6 × 10−4-3.6 × 10−3
Aerosol ingestion via showering	1.9 ml	1.0 × 10−3-6.8 × 10−3
Aerosol ingestion via hosing	1.9 μl	1.1 × 10−6-6.8 × 10−6
L. pneumophila
Aerosol inhalation via showering	0.84 μl	5.2 × 10−5-1.4 × 10−4
Aerosol inhalation via hosing	0.5 μl	3.0 × 10−5-8.4 × 10−5