TACB Bulletin, Number 3, July 21, 1986 Page: 2
This periodical is part of the collection entitled: Texas State Publications and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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accidental releases.
Catastrophe prevention
review would be expanded
in the new source review
program and would be ex-
tended to existing sources
if future funding is ade-
quate.
The TACB has general
legal authority for this por-
tion of the new source re-
view program under the
Texas Clean Air Act which
prohibits emissicns of air
pollutants that are injuri-
ous to health and property,
and gives the board the
authority to promulgate ad-
ministrative rules pursuant
to the legislation's intent.
In addition, the TACB
and the Texas Water Com-
mission have adopted, in a
joint rulemaking, regula-
tions for control of air pollu-
tion from hazarcous waste
or solid waste management
facilities. These rules out-
line air emission require-
ments for new and existing
facilities required to re-
ceive a TWC permit.
A pilot effort currently
underway involves the
screening of reported ex-
cess emissions from process
upsets to try to identify
those which indicate a po-
tential for adverse public
health impacts. Some of the
more significant upsets in-
volving toxic air contami-
nants are selected for more
detailed review, including
dispersion modeling, to
determine potential ambient
impacts under worst case
conditions.
The results of the review
can identify cases where
process design changes or
operating procedure changes
appear warranted to pre-
vent a recurrence of an up-
set offering a possible pub-
lic health risk. The pilot
effort would also be ex-
panded in the proposed FY88/89 budget.
Other future activities in
regard to air toxics control
will include analysis of the
results of the Gulf Coast
Community Exposure Study
to determine whether mea-
sured levels may be ex-
pected to cause adverse
health effects.
The TACB has also be-
gun to establish a statewide
emission inventory of toxic
air contaminants.
Bill Gill of the Technical
Services Division said the
TACB guidance document
Agency gathers
information
on locations
and quantities
of contaminants,
potential
for
problems.
for providing emissions in-
ventory information includes
a listing of approximately
120 toxic and odorous com-
pounds and classes of com-
pounds, and requests that
the company to which it is
directed identify any toxic
emissions with a rate of one
ton or more per year.
In addition, identifica-
tion will be required of any
hazardous chemicals (from
a list which includes most
pesticides and 23 specific
chemicals) existing on the
premises in significant quan-
tities.
Also, it is the staff'sgoal that at least every four
years each major source
would report its current
emissions inventory to the
TACB. By this means any
hazardous chemicals would
be identified. (For agency
purposes, hazardous chemi-
cals are defined as those
that have high acute toxi-
city and may result in large
emission rates because of a
high vapor pressure, high
reactivity, or flammability.)
A recent registration of
sources of emissions estab-
lished before 1971 (when
the TACB began issuing
permits to construct) pro-
vided a one-time update of
emissions from such facili-
ties which emit at least one
ton per year of toxic emis-
sions. A list of odorous
and toxic compounds was
included with the registra-
tion materials.
Other special projects
such as the Gulf Coast Com-
munity Exposure Study also
generate updated toxic emis-
sions data. The proposed
FY 88/89 budget would pro-
vide the resources neces-
sary to complete and main-
tain a statewide toxics emis-
sion inventory.
Heightened public inter-
est in the control of hazard-
ous materials in the state
includes concern about re-
sponse to accidental epi-
sodes involving toxic air
pollutants. The TACB is a
member of the state net-
work operating under the
Governor's Division of
Emergency Management,
and the entire agency staff
is prepared to work as a
team in connection with
emergency episodes. Typi-
cally, initial response is by
personnel in TACB's 12
regional offices.
Currently a response
unit is being prepared to
(continued on page three)2
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/m1/2/?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.