1. on or afterMay 30, 1975;and
    2. Before promulgation of such Orderfor Compliance, the Board shall:
    3. where:
    4. eiiiissions E emitted from source i, and
    5. (1) Sulfur Dioxide Standards and Limitations.
    6. (A) Except as further provided by paragraphs(f)(1)(B); (f)(1)(C), (f)(1)(D) and
    7. (B) Paragraph (f)(1)(A) of this Rule 204shall not apply to new sulfuric acid

EN
THE
MATTER
OF:
PROPOSED
AMENDMENTS
TO
CHAPTER
2:
AIR POLLUTION,
RULE 204, SULFUR STANDARDS
AND LIMIPATtONS
Mopted
Rule.
Final
Order
ORDER
OF
fliP
HOARD
(by
Mr.
(‘aoodnan):
(1)
Rule
(2)
Rule
“(4)
204(c)(1)(B)(i) of Chapter 2 shall read as follows:
“6.8 pounds of sulfur dioxide
per
million btu of
actual heat input, provided such owner or operator
complies with all applicable provisions of Rule
204(e)(4) of this Part, or”
204(e)(4) of Chapter 2 shall read as follows:
No owner or operator of a fuel combustion emission
source whose sulfur dioxide emission limitation is
determined by Rule 204(c)(i)(B),
204(e)(1), or
Rule 204(e)(2) shall cause or allow the total
emissions of sulfur dioxide into the atmosphere
from
all fuel combustion emission sources owned or
operated
by
such
person
and located within a 1
mile
radius
(1.6
Km)
from
the
center
point
of
any
such fuel combustion source to exceed the level of
sulfur dioxide emissions allowed under the
previous Rule 204 (effective April
4, 1972 until
December 14,
1978) without first obtaining a new
ir.r.ruoin
POLLUTION CONTROL BOARD
June 12,
1980
)
)
)
)
)
)
R75—5
R74—2
On February
7, 1980 the Board proposed a clarification
of the order of December 14,
1978.
This proposal was
published in the Illinois Register on February 29,
1980.
No
public comments were received during the first notice
period.
Second notice was received by the Joint Committee on
Administrative Rules on April 18,
1980.
In response to a
suggestion of the Joint Committee the Board has added an
appendix
to
Rule
204
and
a
reference
to
that
appendix.
This appendix supplies information which may be necessary
for a source to determine its obligations.
It
does not
change that source’s obligations.
No other changes to the
proposal were made.
It is the Order of the Board that the following
corrections be made to the Board order of December 14,
1978:

—2—
operating
permi.
L
From
the
7\geitcy
.
(
Thi s
pr&’v i
oti~
Rule
204
appears
in
its
entirety
in
the
appendix
that
appears
at
the
end
of
Part
IT
of
this
Chapter.
)
The
application
for
a
flew
operatlng
permi,
(:
sha.l
1
include
a
demonstration
that such
total
emissions
will
not
violate
any
applicable
PS P
i tic
reiie
nt.
(3)
Previous Rule
204
(effective
April
14,
1972
until
December
14,
1978)
shall
be appended to Part II of
Chapter
2
for
reference
purposes
only.
It shall
appear
as
follows:
APPENDIX
TO
RULE
204
FOR
BEFERE~CE ONLY
Rule
204:
Sulfur
Standards
and
Limitations.
(a)
Sulfur Dioxide Emission Standards and Limitations
for
New
Fuel
Combustion Emission Sources with
Actual Heat Input Greater
than
250 Million
BTU
per Hour.
1
)
Sol id
Puel
Burned
Exclusively.
No
person
shall
cause
or allow the emission of sulfur
dioxide into the atmosphere
in
any
one
hour
period
from
any
new
fuel
combustion
emission
source
greater
than
250
nil
lion
btu
per
hour,
burning
solid
fuel
exclusively,
to exceed 1.2
pounds of
sulfur dioxide per million btu of
actual heat input.
(2)
Liquid Fuel Burned Exclusively.
No person
shall
cause or allow the emission of
sulfur
dioxide into the atmosphere
in any one hour
period from any new fuel
combustion emission
source greater than 250 million htu per hour,
burning
liquid fuel exclusively;
(A)
to exceed 0.8 pounds
of sulfur dioxide
per million btu of actual heat input when
residual
fuel
oil
is burned;
and
(B)
to exceed 0.3 pounds
of
sulfur dioxide per
million btu of actual heat input when
distillate
fuel oil
is burned.
(b)
Sulfur Dioxide Emission Standards and Limitations
for
New
Fuel Combustion Emission
Sources
with
Actual
Heat
Input Smaller than,
or Equal
to,
250 Million
BTU per Hour.

APPENDIX TO RULE 204
FOP
REPERENCE
ONLY
(1)
Solid
Fuel
Burned
Exclusively.
No
person
shall cause or allow the emission of sulfur
dioxide
into the atmosphere in any one hour
period
from
any
new
fuel
combustion
source
wi
~h
act:unl
bent
i.nput
smal Icr
than
,
or
equal
to,
250
million
btu
per
hour,
burning solid
fuel exclusively,
to exceed
1
.
8
pounds
of
sulfur
dioxide
per
million
htu
of
actual
heat
input.
(2)
Licuid
Fuel
Burned
Exclusively.
No
person
shall cause or allow the emission of sulfur
dioxide into the atmosphere
in any one hour
period from any new fuel
combustion source
with actual heat
input smaller than,
or
equal
to,
250 million
htu
per
hour,
burning
liquid
fuel
exclusively;
(A)
to exceed 1,0 pounds of sulfur dioxide
per million htu of actual
heat input
when
residual
fuel
oil
is
burned;
and
(B)
t:~
eXceed
0.
3
pounds
of
sulfur dioxide
per
mill ion
bt:u
of
actual
heat
input
when distill a t:e
Fuel
oil
i. s burned
(c)
Sulfur
Dioxide
Emission
for
Existing
Fuel
Combustion
Sources.
(1)
Solid
Fuel Burned Exclusively.
(A)
Existing
Fuel
Combustion
Sources
Located
in the Chicago,
St. Louis
(Illinois) and
Peoria Major Metropolitan
Areas.
No
person shall cause or allow the emission
of sulfur dioxide
into the atmosphere
in
any one hour period
!rom any existing fuel
combustion
source,
burning
solid
fuel
exclusively,
located
in the Chicago,
St. Louis
(Illinois)
and Peoria major
metropolitan areas,
to exceed 1.8
pounds of
sulfur dioxide per million
btu of actual heat input, on or after
May 30,
1975.

—4—
APPKNI)LX
TO
RULE
204
FOR
REFERENCE
ONLY
(B)
bUsting
mel
Combustion
Sources
Located
Outside
the
Chicago,
St. Louis
(tllinois)
and
Peoria
Major
Metropolitan
Areas.
No
person
shall cause or
allow
the emission
of
sulfur dioxide into the atmosphere in
any one
hour
period
from
any
existing
fuel combustion source, burning solid
fuel exclusively,
located outside the
Chicago, St. Louis (Illinois) and
Peoria major metropolitan areas, to
exceed the following:
(i)
6.0 pounds of sulfur dioxide
per
million btu of actual heat input,
on or after
May 30,
1975;
and
(ii)
1.8
pounds
of
sulfur
dioxide
per
million
btu
of
actual
heat
input
for
alt
such
fuel
combustion
emission sources located within
any MMA other than Chicago,
Peoria, and St.
Louis
(Illinois)
which, according to any one
ambient air monitoring station
operated by or under supervision
and control of the Agency within
such
riNk, has an annual arithmetic
average sulfur dioxide level greater
than;
60 ug/m3
(0.02 ppm)
for any
year ending prior to
May
30,
1976, or
45 ug/m3
(0.015 ppm)
for any
year
ending
on
or
after
flay
30,
1976.
Compliance
with
this
paragraph
(ii)
of
Rule
204(c)(1)(B)
shall
be on and after
three years from the date upon which
the Board promulgates an Ortler for
Compliance.
Before promulgation of such Order
for Compliance, the Board shall:

—5—
APPENDIX
TO
RULE
204
FOR
REFERENCE
ONLY
(aa)
publish
in
the
floard
Newsletter,
within
21
days
of
receipt from
the Agency,
a proposed Order
for Compliance along with the
data
used
to
obtain
said
annual
arithmetic
sulfur
dioxide
level;
and,
(bh) serve
a copy of such proposed
Order
and
supporting
data,
within
21
days
of
receipt
from
the
Agency,
upon
the
owner
or
operator
of
each
such
emission
source
located
within
the
NMA;
and,
(cc) defer promulgation of
the
Order
for
Compliance
for
at
least
45
days
from the date of publication
to
allow submission and consideration
of additional written comments.
(2)
Liquid Fuel
Burned Exclusively.
No person
shall
cause
or allow the emission of sulfur
dioxide
into the atmosphere
in any one hour
period
from
any
existing
fuel
combustion
emission source, burning
liquid fuel
exclusively;
(A)
to
exceed
1,0
pounds
of sulfur dioxide
per million htu of actual
heat
input when
residual
fuel oil
is burned;
and,
(B)
to exceed 0.3 pounds
of
sulfur
dioxide
per
million
btu
of actual heat input
when
distillate
fuel
oil
is
burned.
(d)
Combination
of
Fuels.
No
person shall cause or
allow the emission of sulfur dioxide
into the
atmosphere
in any one hour period from any fuel
combustion emission source burning simultaneously
any combination of solid, liquid and gaseous
fuels
to exceed the allowable emission rate
determined by the following equation:
E
=
S
H
÷0.3H
+5
H
ss
d
RR
where

—6—
APPENDIX
TO
RULE
204
FOR
REFERENCE
ONLY
=
allowable sulfur dioxide emission rate,
in
pounds
per
hour,
S
=
solid
fuel
sulfur dioxide emission
s~andard,
in
pounds
per
million
btu,
which
is applicable,
S
=
residual
fuel oil sulfur dioxide
e~ission
standard,
in
pounds
per
million
btu,
which
is
applicable,
=
actual
heat input
from solid
fuel,
in
miHion
htu per hour,
HR
actual
heat
input
from
residual
fuel
oil,
in
million
btu
per hour,
Hd
=
actual
heat
input
from
distillate
fuel
oil,
in
million
btu
per
hour,
and where that portion of
the
actual
heat
input
that
is
derived:
(1)
from
the burning of gaseous
fuels produced
by
the
gasification
of
solid
fuels
shall
be
included in H
;
S
(2)
from
the burning of gaseous fuels produced
by the gasification of distillate
fuel oil
shall
he
included
in
(3)
from
the
burning
of
gaseous
fuels
produced
by the gasification of
residual
fuel oil
shall
be included
in
(4)
from
the burning of gaseous
fuels produced
by the qasificatio.n of any other
liquid
fuel shall
he included
in H~ and
(5)
from
the
burning
of
by—product
gases
such
as those produced from
a blast furndce
or
a catylyst regeneration unit
in a petroleum
refinery shall
he included
in HR.
(e)
Combination of Fuel
Combustion Emission Sources.
No person shall cause
or allow the total emissions
of
sulfur
dioxide
into
the
atmosphere
in
any
one
hour
from
all
fuel
combustion
emission
sources
owned
or
operated
by
such
person
and
located
within
a
1 mile radius from the center point of any such

—7—
APPENDIX TO RULE_204
-
FOR
REFERENCE
ONLY
fuel
combustion
emission
source
to
exceed
the
emissions
determined
by
the
following
equations:
E
=
20,000
a~2
300
145
=
~‘1~~i
+
p2~2
+
PH
100
(Note:
P1
+
P2
+
...
+
P
100)
where:
E
=
total
emission
of
sulfur
dioxide,
in
pounds
per
hour,
into the atmosphere in any
one
hour
period
from
all
fuel
combustion
emission
sources
owned
or
operated
by
such
person
and
located
within
a
1 mile radius
from
the
center
point
of
any
such
emission
source,
P
,i
t,2,...,n
-
percentage
of
total
eiiiissions
E
emitted
from
source
i,
and
H
,i
=
1,2,...,n
=
physical
height
in
feet
a&ive
grade
of
stack
i.
(f)
Sulfur
Standards
and
Limitations
for
Process
Duission Sources.
(1)
Sulfur Dioxide Standards and Limitations.
(A)
Except as further provided by paragraphs
(f)(1)(B);
(f)(1)(C),
(f)(1)(D) and
(f)(1)(E)
of
this Rule 204, no person
shall cause of allow the emission of
sulfur dioxide into the atmosphere
from any process emission source to
exceed 2000 ppm....
(B)
Paragraph (f)(1)(A) of this Rule 204
shall not apply to new sulfuric acid
manufacturing processes.
No person
shall cause or allow the emission
of sulfur dioxide into the atmosphere
from any
new
sulfuric acid manufacturing
plant to exceed 4.0 pounds of sulfur
dioxide
per
ton
of
acid
produced.

—8—
APPENDIX
TO
RULE
204
POR REFt~RENCEONLY
(C)
Paragraph
(f)(1)(A)
of this Rule 204
shall not apply to processes designed
to remove sulfur compounds
from the
flue gases
of fuel
combustion emission
sources.
(0)
Paragraph
(f)(1)(A)
of this Rule shall
not apply to existing processes designed
to remove sulfur compounds
from the flue
gases of petroleum
and petrochemical
processes,
providing
that the sulfur
dioxide emissions
from such removal
processes
do not exceed the emissions
determined by the equations of Rule
204(e).
(E)
Paragraph
(f)(1)(A)
of this Rule 204
shall not apply to existing hydrogen
sulfide
flares
at
a
chemical
manu-
facturing
plant
provided:
(i)
Said
flares
are
operative
on
existing batch type processes;
and
(ii) The hydrogen sulfide emissions being
flared
are
not,
at
the
time
of
adoption
of
this
subpart
(E),
passed
through
existing
processes
designed
to remove sulfur compounds from the
flue
gasses
as
provided
in
subpara-
graph
(D)
above~
and
(iii)The emission of sulfur dioxide
into
the atmosphere
from said flares does
not exceed 500 pounds per hour and
3500 pounds per eight—hour period;
and
(iv) Provided, however,
that
if
emission
controls
for said flares become
economically reasonable and tech-
nically feasible the owner/opera-
tor of such hydrogen sulfide flares
shall
install
such controls.
(2)
Sulfuric ~cid Mist Standards and Limitations.
(A)
No person shall cause or allow the
emission of sulfuric acid mist into the

—9—
APPENDIX TO RULE 204
FOR REFERENCE_ONLY
atmosphere
from any process emission
source
to exceed 0.15 pounds of acid
mist per ton oF acid manufactured.
(B)
With the exception of Rule 205(f)(2)(A)
and fuel combustion
sources, no person
using sulfuric acid shall cause or allow
the emission of sulfuric acid
and/or
sulfur trioxide from all other similar
emission sources at
a plant or premises
to exceed:
(1)
0.10 pound in any one hour
period
for sulfuric acid usage
less than
1,300
tons
per
year
(100
percent
acid basis);
(ii)
0.50 pound per ton of acid used
for sulfuric acid usage greater
than or equal
to 1,300 tons per
year
(100 percent acid basis).
(
q
)
Measurement
Methods
(1)
Sulfur Dioxide Measurement.
Measurement of sulfur dioxide emissions
from
stationary sources
shall
he made according
to the procedure published
in 36 Fed.
Reg.
24890, Method
6,
or by measurement procedures
specified by the Agency according to the
provisions of Part
1 of this Chapter and
application of standard emission factors
as published in Public Health Service
Publication 999—AP-42,
Complilation of
Air Pollutant Emission Factors,
as
revised
from time
to time.
(2)
Sulfuric
1\cid Mist and Eulfur Trioxide
Measurement.
Measurement of sulfuric acid mist and sulfur
trioxide shall
be according
to the Barium—
thorin titration method as published
in 36
Fed.
Reg.
24893.

—10—
APPENDIX TO RULE 204
FOR RFRURENCE ONLY
(3)
Holid
Fuel
~veriuinq
Meauurenent.
If low sulfur solid
fuel
1s used
to
comply
with subparagranhs
(a),
(b),
(c), and
(d)
of this
Rule
204, the applicable solid
fuel sulfur dioxide
standard shall
be met
by
a two month average of daily samples
with
95
percent
of
the
samples
being
no
greater
than
20 percent above the average,
A
.
S
.
T.
N.
procedures
shal
1
he
used
for
solid
fuel
sampling,
sulfur
and
heating
value
determinations.
(h)
Compliance Dates.
(1)
Every owner or operator of
a new emission
source
shall
comply
with
the
standards
and
limitat:ions
of Rule 204 by
the efFective
date of Part
2 of this Chapter
(2)
r~:veryown~~ror ~p~riiLor oF
an .~xi~L
Lritj
Fuel conhust LOP
nmission sour
sNal 1
comply with the st~andards and limitations
of Rules 204(c)(l)(A),
204(c)(2),
204(d)
and 2Ii~(e)by May 30, 1975.
(3)
Every owner or operator of an existing
process emission source shall comply with
the standards and limitations of Rule 204(f)
by December 31,
1973.
IT IS SO ORfWREP.
Mr. t~ernerdissents.
I,
Christan t~. Moffett,
Clerk of the Illinois Pollution
Control
Board, her~bycertify that the above Order was
adopted on the
/~~i
day of
~
180 by
a vote
of
Christan
L.
Mof
~,
Clerk
Illinoi.s Pollution Control
Board

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