Public Health Assessment Public Comment Release
Appendix B. Exposure Pathways for Ward Transformer Site
Source for all pathways: Operations at Ward Transformer Site
Pathway
Environmental Media &
Point of Exposure Route of Exposure Exposure Population Time
Notes
Complete?
Name
Transport Mechanisms
Incidental
Population might
Site soils and soil at
ingestion,
Nearby workers,
Past, present,
include children
Soil
Spills from past operations surrounding
Y
inhalation, dermal trespassers (unlikely)
future
10 years and
properties
exposure
older.
Runoff into lagoon; past
Water in unnamed
Incidental
Population might
release of contaminated
tributary, Little
ingestion,
Trespassers at streams Past, present,
include children
Surface water water to streams;
Brier Creek,
Y
inhalation, dermal downstream from site future
10 years and
dissolution from
possibly Crabtree
exposure
older.
contaminated sediments
Lake
Deposition from surface
Population might
Lagoon, along
Incidental
water runoff into lagoon;
Trespassers at streams Past, present,
include children
streams downstream ingestion, dermal
past release of
Sediments
Y
downstream from site future
10 years and
contaminated water to
of site
exposure
older.
streams
Bioaccumulation of
Population might
Meal prepared using
Recreational fishers
Past, present,
Y
Fish
include young
Ingestion
water and sediments into
fish from site area
and their families
future
children
fish
Population might
Residents and workers Past, present,
N
include young
near the site
future
children
exposure
water taps
Past release of
Population might
Inhalation, dermal Residents and workers
Air
Past
include young
N
exposure
near the site
oven
children
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