Public Health Assessment Public Comment Release
study, or group of studies, that did not cause harmful health effects in
people or animals.
The category is used in ATSDR=s Public Health Assessment documents
No Apparent
for sites where exposure to site-related chemicals may have occurred in
Public Health
the past or is still occurring but the exposures are not at levels expected
Hazard
to cause adverse health effects.
The category is used in ATSDR=s Public Health Assessment documents
No Public Health
for sites where there is evidence of an absence of exposure to site-
Hazard
related chemicals.
PHA
Public Health Assessment. A report or document that looks at
chemicals at a hazardous waste site and tells if people could be harmed
from coming into contact with those chemicals. The PHA also tells if
possible further public health actions are needed.
A line or column of air or water containing chemicals moving from the
Plume
source to areas further away. A plume can be a column or clouds of
smoke from a chimney or contaminated underground water sources or
contaminated surface water (such as lakes, ponds and streams).
The place where someone can come into contact with a contaminated
Point of Exposure
environmental medium (air, water, food or soil). Some examples
include: the area of a playground that has contaminated dirt, a
contaminated spring used for drinking water, or the backyard area
where someone might breathe contaminated air.
A group of people living in a certain area; or the number of people in a
Population
certain area.
PRP
Potentially Responsible Party. A company, government or person that
are expected to help pay for the clean up of a site.
Public Health
See PHA.
Assessment(s)
The category is used in PHAs for sites that have certain physical
Public Health
features or evidence of chronic, site-related chemical exposure that
Hazard
could result in adverse health effects.
PHA categories given to a site which tell whether people could be
Public Health
harmed by conditions present at the site. Each are defined in the
Hazard Criteria
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