Download stressor summaries - State of New Jersey

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Transcript
Airborne pathogens
Human Health Risk
M-L
Ecological Risk
Socioeconomic Risk
Airborne pathogens include fungal spores and bacteria that are released to the air_during
wastewater treatment, sanitary landfill operations, composting, and various farming practices. Sources of these pathogens include fungal growth associated with warm wet areas,
and agricultural activities that generate large quantities of organic dusts that may contain
high concentrations of bacterial toxins. Some pathogens are associated with bird or bat
droppings. Human health effects include respiratory infections, allergic responses, eye,
nose and throat irritation, as well as more severe cases involving fever and shortness of
breath. Related reports include Legionella, Hantavirus, indoor microbial pollution, and
indoor asthma inducers.
What’s at risk?
What’s being done?
Exposure to low levels of airborne spores is
universal, but disease is uncommon. Infants and
the elderly are particularly subject to fungal
infections. Individuals with compromised immune systems or other underlying disease are
more susceptible to the health effects that may
result from exposure to airborne pathogens.
Asthmatics are also especially sensitive to fungal
allergens. Workers near concentrated sources
such as composting facilities are at increased risk
of exposure, as are people who are occupationally exposed to higher than normal concentrations of bird or bat droppings.
There are no regulations on airborne pathogen
generation. Occupational guidance is available
for protecting workers from exposure.
Socioeconomic costs probably run in the tens of
millions.
STRESSOR SUMMARIES
What are the human health impacts in
New Jersey?
There is very little information regarding the
number of illnesses that may be attributed to
airborne pathogens. Thresholds for allergic
response are regularly exceeded near composting
facilities. In some cases, elevated levels may exist
up to 1 kilometer from the facility. Dust-inducing agricultural practices can produce concentrations of bacterial toxins far in excess of those
known to affect lung function. Natural sources
such as bird and bat droppings may also result in
localized exposures to elevated levels of pathogens.
105
Final Report of the New Jersey State Comparative Risk Project