TACB Bulletin, Number 3, July 21, 1986 Page: 3
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make possible emergency
field response capability to
provide air sampling and
monitoring at the scene of
chemical spills or other
major incidents which may
involve the release of toxic
or hazardous air pollutants
into the atmosphere for an
extended period. The agen-
cy sought and received a
$125,000 EPA grant to de-
velop this capability; the
unit will utilize existing
staff specially trained in
response work and person-
nel protection and safety.
The EPA grant funds a
staff-designed response
trailer containing a field
coordination center, a per-
sonnel decontamination
facility, and additional pro-
tective gear including fully
encapsulating "moon suits"
and self-contained breathing
apparatus.
Monitoring done at the
scene of an incident will be
used to determine the need
for citizen evacuation, as-
sess the degree and extent
of public exposure or envi-ronmental damage, and veri-
fy the effectiveness of reme-
dial measures and cleanup.
The equipment and pro-
cedures developed for emer-
gency response also will be
available for use in monitor-ing air emissions from poten-
tially contaminated areas
such as hazardous waste
disposal facilities under-
going evaluation or cleanup.
As part of its long-range
air toxics program, the
TACB is sponsoring a re-search project to develop
biological test systems to
assess the possible human
health consequences of ex-
posure to complex mixtures
of air contaminants. The
ultimate objective is to de-
velop a mobile biological
monitoring unit in which
animals would be placed in
the field for a period of
several weeks and then
assayed to determine the
biological effects of such
exposure. Such a unit
would allow direct measure-
ment of the biological ef-
fects of exposure to ambient
air contaminants rather
than the estimate (based
upon available toxicological
data and on ambient moni-
toring or modeling data)
that currently is the basis
for assessment.
This project, being con-
ducted by Dr. Marvin
Legator at the University
of Texas Medical Branch at
Galveston, is in its third
year of development and its
second year of laboratory
testing.MRevisions made in Gulf Coast study monitoring plan
The list of toxic air con-
taminants included in a
TACB monitoring program
in Harris, Galveston, Jef-
ferson, and Orange counties
was revised at the end of
March after six months of
monitoring to add nitro-
genated polyaromatic hydro-
carbons and to remove five
pollutants which had not
been detected in the am-
bient air.
Dr. Maxine Jenks said
acrylonitrile, epichloro-
hydrin, ethylene oxide,
polychlorinated biphenyls,
and other combustion pro-
ducts, and vinyl chloride
were removed from the pro-
ject, called the Gulf CoastCommunity Exposure Study.
"The chemistry labora-
tory staff detected several
nitrogenated polyaromatic
hydrocarbons in certain
samples," Dr. Jenks said.
"While not specifically
identified at this time,
these compounds belong to
a class of compounds that
may be carcinogenic or
mutagenic, and they ap-
peared in sufficient quanti-
ty to warrant incorporating
them into the study."
Tom Driscoll, Gulf Coast
Community Exposure Study
project manager, said the
change in protocol is in line
with recent agency budget
cuts. However, he said,the revised monitoring plan
implemented on May 1 does
not deviate from the origi-
nal purpose of the study,
the collection of data in
regard to toxic air contami-
nants in the air on the Gulf
Coast in quantities suffi-
cient to be of concern be-
cause of the potential to
affect human health.
Monitoring in connection
with the project will end
September 30.
Pilot testing of the moni-
toring and analysis tech-
niques used for the study
began in March 1985 at the
Cloverleaf monitoring site
in East Harris County.
(continued on page four)The TACB Bulletin No. 3-1986, July21 3
Emergency
response
capabilities
are
being
improved1 3
I
The T ACB Bulletin No. 3-1986, July 21
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Texas Air Control Board. TACB Bulletin, Number 3, July 21, 1986, periodical, July 21, 1986; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth903097/m1/3/?q=%22Government+and+Law+-+State+Agencies%22: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.