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Combustion
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2004\
Appendix
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Appendix
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Appendix
A
to
Subpart
DDDDD
 
Methodology
and
Criteria
for
Demonstrating
Eligibility
for
the
Health­
Based
Compliance
Alternatives
Specified
for
the
Large
Solid
Fuel
Subcategory
1.
Purpose/
Introduction
This
appendix
provides
the
methodology
and
criteria
for
demonstrating
that
your
affected
source
is
eligible
for
the
compliance
alternative
for
the
HCl
emission
limit
and/
or
the
total
selected
metals
(
TSM)
emission
limit.
This
appendix
specifies
emissions
testing
methods
that
you
must
use
to
determine
HCl,
chlorine,
and
manganese
emissions
from
the
affected
units
and
what
parts
of
the
affected
source
facility
must
be
included
in
the
eligibility
demonstration.

You
must
demonstrate
that
your
affected
source
is
eligible
for
the
health­
based
compliance
alternatives
using
either
a
look­
up
table
analysis
(
based
on
the
look­
up
tables
included
in
this
appendix)
or
site­
specific
compliance
demonstration
performed
according
to
the
criteria
specified
in
this
appendix.
This
appendix
also
specifies
how
and
when
you
file
any
eligibility
demonstrations
for
your
affected
source
and
how
to
show
that
your
affected
source
remains
eligible
for
the
health­
based
compliance
alternatives
in
the
future.

2.
Who
is
eligible
to
demonstrate
that
they
qualify
for
the
health­
based
compliance
alternatives?

Each
new,
reconstructed,
or
existing
affected
source
may
demonstrate
that
they
are
eligible
for
the
health­
based
compliance
alternatives.
Section
63.7490
of
subpart
DDDDD
defines
the
affected
source
and
explains
which
affected
sources
are
new,
existing,
or
reconstructed.

3.
What
parts
of
my
facility
have
to
be
included
in
the
health­
based
eligibility
demonstration?

If
you
are
attempting
to
determine
your
eligibility
for
the
compliance
alternative
for
HCl,
you
must
include
every
appropriate
emission
point
within
the
affected
source
facility
that
emits
a
significant
quantity
of
one
or
more
of
the
following
HAP,
which
are
referred
to
as
respiratory
toxicants,
in
the
eligibility
demonstration:

Respiratory
Toxicants
Pollutant
CAS
Number
Chlorine
7782­
50­
5
Propylene
oxide
75­
56­
9
Styrene
oxide
96­
09­
3
Acrolein
107­
02­
8
Titanium
tetrachloride
7550­
45­
0
Triethylamine
121­
44­
8
2,4­
Toluene
diisocyanate
26471­
62­
5
Acrylic
acid
79­
10­
7
Acrylonitrile
107­
13­
1
Vinyl
acetate
108­
05­
4
Toluene
108­
88­
3
Methyl
isocyanate
624­
83­
9
n­
Hexane
110­
54­
3
Hydrochloric
acid
7647­
01­
0
Maleic
anhydride
108­
31­
6
Methyl
bromide
74­
83­
9
Phthalic
anhydride
85­
44­
9
2­
Chloroacetophenone
532­
27­
4
Cobalt
7440­
48­
4
Methyl
methacrylate
80­
62­
6
Methylene
diphenyl
diisocyanate
101­
68­
8
Naphthalene
91­
20­
3
Phosgene
75­
44­
5
1,3­
dichloropropene
542­
75­
6
Propylene
dichloride
78­
87­
5
Ethylene
glycol
107­
21­
1
Chloroprene
126­
99­
8
Hexamethylene­
1,6­
diisocyanate
822­
06­
0
Nickel
compounds
Antimony
compounds
Beryllium
compounds
Hexavalent
Chromium
compounds
If
you
are
attempting
to
determine
your
eligibility
for
the
compliance
alternative
for
TSM,
you
must
include
every
appropriate
emission
point
within
the
affected
source
facility
that
emits
a
significant
quantity
of
one
or
more
of
the
following
HAP,
which
are
referred
to
as
central
nervous
system
(
CNS)
toxicants,
in
the
eligibility
demonstration.

Central
nervous
system
(
CNS)
toxicants
Pollutant
CAS
Number
1,1,1­
Trichloroethane
71­
55­
6
Ethylene
oxide
75­
21­
8
Styrene
100­
42­
5
Methyl
chloride
74­
87­
3
Cyanide
compounds
Selenium
compounds
Lead
compounds
Mercury
compounds
Manganese
compounds
4.
How
do
I
determine
HAP
emissions
from
my
affected
source?

(
a)
You
must
conduct
HAP
emissions
tests
for
every
emission
point
covered
under
subpart
DDDDD
within
the
affected
source
facility
according
to
the
requirements
in
paragraphs
(
b)
through
(
f)
of
this
section
and
the
methods
specified
in
Table
1
of
this
appendix.

If
you
are
attempting
to
determine
your
eligibility
for
the
compliance
alternative
for
HCl,
you
must
test
the
subpart
DDDDD
units
at
your
facility
for
both
HCl
and
Cl2.

In
addition
to
the
emissions
of
HCl
and
Cl2
from
your
subpart
DDDDD
units,
the
eligibility
demonstration
must
address
any
significant
emissions
of
the
respiratory
toxicants
(
listed
in
section
4
of
this
appendix)
from
all
other
emission
points
at
your
facility.
These
may
be
obtained
either
through
emission
testing
or
through
the
development
and
documentation
of
best
engineering
estimates
of
maximum
emissions
for
those
sources.

If
you
are
attempting
to
determine
your
eligibility
for
the
compliance
alternative
for
TSM,
you
must
test
the
subpart
DDDDD
units
at
your
facility
for
manganese.
In
addition
to
the
emissions
of
manganese
from
your
subpart
DDDDD
units,
the
eligibility
demonstration
must
address
any
significant
emissions
of
CNS
toxicants
(
listed
in
section
4
of
this
appendix)
from
all
other
emission
points
at
your
facility.
These
may
be
obtained
either
through
emission
testing
or
through
the
development
and
documentation
of
best
engineering
estimates
of
maximum
emissions
for
those
sources.

(
b)
Periods
when
emissions
tests
must
be
conducted.

(
1)
You
must
not
conduct
emissions
tests
during
periods
of
startup,
shutdown,
or
malfunction,
as
specified
in
§
63.7(
e)(
1).

(
2)
You
must
test
under
worst­
case
operating
conditions
as
defined
in
this
appendix.
You
must
describe
your
worst­
case
operating
conditions
in
your
performance
test
report
for
the
process
and
control
systems
(
if
applicable)
and
explain
why
the
conditions
are
worst­
case.

(
c)
Number
of
test
runs.
You
must
conduct
three
separate
test
runs
for
each
test
required
in
this
section,

as
specified
in
§
63.7(
e)(
3).
Each
test
run
must
last
at
least
1
hour.

(
d)
Sampling
locations.
Sampling
sites
must
be
located
at
the
outlet
of
the
control
device
and
prior
to
any
releases
to
the
atmosphere.

(
e)
Collection
of
monitoring
data
for
HAP
control
devices.
During
the
emissions
test,
you
must
collect
operating
parameter
monitoring
system
data
at
least
every
15
minutes
during
the
entire
emissions
test
and
establish
the
site­
specific
operating
requirements
in
Tables
3
or
4,
as
appropriate,
of
subpart
DDDDD
using
data
from
the
monitoring
system
and
the
procedures
specified
in
§
63.7530
of
subpart
DDDDD.

(
f)
Nondetect
data.
You
may
treat
emissions
of
an
individual
HAP
as
zero
if
all
of
the
test
runs
result
in
a
nondetect
measurement
and
the
condition
in
paragraph
(
1)
is
met
for
the
manganese
test
method.
Otherwise
nondetect
data
for
individual
HAP
must
be
treated
as
one­
half
of
the
method
detection
limit.

(
1)
For
manganese
measured
using
Method
29
in
appendix
A
to
40
CFR
part
60,
you
analyze
samples
using
atomic
MaxHourlyEmissions
ER
Hm
=
×
absorption
spectroscopy
(
AAS).

(
g)
You
must
determine
the
maximum
hourly
emission
rate
for
each
appropriate
emission
point
according
to
equation
1.

(
Eq.
1
)

Where:

MaxHourly
=
Maximum
hourly
emissions
for
Emissions
hydrogen
chloride,
chlorine,
or
manganese,
in
units
of
pounds
per
hour.

Er
=
Emission
rate
(
the
3­
run
average
as
calculateddetermined
according
to
Table
1
of
this
appendix)
for
hydrogen
chloride,
chlorine,
or
manganese,
in
units
of
pounds
per
million
Btu
of
heat
input.

Hm
=
Maximum
rated
heat
input
capacity
of
appropriate
emission
point,
in
units
of
million
Btu
per
hour.

5.
What
are
the
criteria
for
determining
if
my
facility
is
eligible
for
the
health­
based
compliance
alternatives?

(
a)
Determine
the
HAP
emissions
from
each
appropriate
emission
point
within
the
affected
source
facility
using
the
procedures
specified
in
section
4
of
this
appendix.

(
b)
Demonstrate
that
your
facility
is
eligible
for
either
of
the
health­
based
compliance
alternatives
using
one
of
the
methods
described
in
section
6
of
this
appendix
(
look­
up
table
analysis)
and
section
7
of
this
appendix
(
site­
specific
compliance
demonstration).

(
c)
Your
facility
is
eligible
for
the
health­
based
compliance
alternative
for
HCl
if
1
of
the
following
2
statements
is
true:

(
1)
The
calculated
HCl­
equivalent
emissionsemission
rate
for
your
entire
facility
is
below
the
appropriate
value
in
the
look­
up
table;

(
2)
Your
site­
specific
compliance
demonstration
indicates
that
your
total
facility
maximum
respiratory
HI
is
less
than
or
equal
to
1.0;

(
d)
Your
facility
is
eligible
for
the
health­
based
compliance
alternative
for
TSM
if
1
of
the
following
2
statements
is
true:

(
1)
The
calculated
manganese­
equivalent
emissionsemission
rate
for
your
entire
facility
is
below
the
appropriate
value
in
the
look­
up
table;

(
2)
Your
site­
specific
compliance
demonstration
indicates
that
your
total
facility
maximum
central
nervous
system
HI
is
less
than
or
equal
to
1.0;
6.
How
do
I
conduct
a
look­
up
table
analysis?

You
may
use
look­
up
tables
to
demonstrate
that
your
facility
is
eligible
for
either
the
compliance
alternative
for
the
HCl
emission
limit
or
the
compliance
alternative
for
TSM
emission
limit.

(
a)
HCl
health­
based
compliance
alternative.
To
calculate
the
total
toxicity­
weighted
HCl­
equivalent
emission
rate
for
your
facility,
first
calculate
the
totalfacility
emission
rate
of
HCl
by
summing
the
maximum
hourly
HCl
emission
rates
(
as
measured
or
estimated
according
to
section
4
of
this
appendix)
from
all
sources
within
the
facility
property
boundary
line.
Then,
similarly,
calculate
the
total­
facility
emission
rate
for
Cl2.
Next,
calculate
the
total­
facility
emission
rate
for
each
of
the
respiratory
toxicants
emitted
by
your
facility
by
summing
the
emissions
for
each
respiratory
toxicant
across
all
emission
points
within
the
facilityproperty
boundary
line
except
those
covered
by
subpart
DDDDD.
Finally,
calculate
the
toxicityweighted
emission
rate
(
expressed
in
HCl
equivalents)

according
to
equation
2
of
this
appendix.

ERtw
=

(
ERi
x
(
RfCHCl/
RfCi))
Eq.
2
where:
ERtw
is
toxicity­
weighted
emission
rate,
lb/
hr
ERi
is
the
emission
rate
of
HAP
i
in
lbs/
hr
RfCi
is
the
reference
concentration
of
HAP
i
RfCHCl
is
the
reference
concentration
of
HCl
(
RfCs
and
other
appropriate
dose­
response
values
can
be
found
at
http://
www.
epa.
gov/
ttn/
atw/
toxsource/
summary.
html)

The
calculated
toxicity­
weighted
HCl
equivalent
emission
rate
will
then
be
compared
to
the
appropriate
allowable
toxicity­
weighted
emission
rate
in
Table
2
of
this
appendix.
To
determine
the
correct
value
from
the
table,
a
subpart
DDDDD
average
value
should
be
used
for
stack
height
and
the
minimum
distance
between
any
subpart
DDDDD
stack
at
the
facility
and
the
closestproperty
boundary
of
the
nearest
residential
(
or
residentially
zoned)
area
should
be
used
for
fencelineproperty
boundary
distance.
If
one
or
both
of
these
values
do
not
match
the
exact
values
in
the
lookup
tables
then
use
the
next
lowest
table
value.
Your
facility
is
eligible
to
comply
with
the
health­
based
alternative
HCl
emission
limit
if
your
toxicity­
weighted
HCl
equivalent
emission
rate,
determined
using
the
methods
specified
in
this
appendix,
does
not
exceed
the
appropriate
value
in
Table
2
of
this
appendix.

(
b)
TSM
Compliance
Alternative.
To
calculate
the
total
toxicity­
weighted
manganese
equivalent
emission
rate
for
your
facility,
first
sum
the
maximum
hourly
manganese
emission
rates
(
as
measured
or
estimated
according
to
section
4
of
this
appendix)
for
all
sources
within
the
facilityproperty
boundary
line.
Next,
calculate
the
total
facility
emission
rates
for
each
additional
central
nervous
system
toxicants
emitted
by
your
facility
by
summing
the
maximum
hourly
emission
rates
for
all
emission
points
within
the
facility
property
boundary
line
except
those
covered
by
subpart
DDDDD.
Finally,
calculate
the
toxicity­
weighted
emission
rate
expressed
in
manganese
equivalents
according
to
equation
3
of
this
appendix.

ERtw
=

(
ERi
x
(
RfCMn/
RfCi))
Eq.
3
where:
ERtw
is
toxicity­
weighted
emission
rate,
lb/
hr
ERi
is
the
emission
rate
of
HAP
i
in
lbs/
hr
RfCi
is
the
reference
concentration
of
HAP
i
RfCMn
is
the
reference
concentration
of
manganese
(
RfCs
and
other
appropriate
dose­
response
values
can
be
found
at
http://
www.
epa.
gov/
ttn/
atw/
toxsource/
summary.
html)

The
calculated
toxicity­
weighted
manganese
equivalent
emission
rate
will
then
be
compared
to
the
appropriate
allowable
toxicity­
weighted
emission
rate
in
the
Table
3
of
this
appendix.
To
determine
the
correct
value
from
the
table,
a
subpart
DDDDD
average
value
should
be
used
for
stack
height
and
the
minimum
distance
between
any
subpart
DDDDD
stack
at
the
facility
and
the
closestproperty
boundary
of
the
nearest
residential
(
or
residentially­
zoned)
area
should
be
used
for
fencelineproperty
boundary
distance.
If
one
or
both
of
these
values
do
not
match
the
exact
values
in
the
lookup
tables
then
use
the
next
lowest
table
value.

Your
facility
may
exclude
manganese
when
demonstrating
compliance
with
the
TSM
emission
limit
if
your
toxicityweighted
manganese
equivalent
emission
rate,
determined
using
the
methods
specified
in
this
appendix,
does
not
exceed
the
appropriate
value
specified
in
Table
3
of
this
appendix.

7.
How
do
I
conduct
a
site­
specific
compliance
demonstration?

If
you
fail
to
demonstrate
that
your
facility
is
able
to
comply
with
one
or
both
of
the
alternative
health­
based
emission
standards
using
the
lookup
table
approach,
you
may
choose
to
perform
a
site­
specific
compliance
demonstration
for
your
entire
facility.
You
may
use
any
scientificallyaccepted
peer­
reviewed
risk
assessment
methodology
for
your
site­
specific
compliance
demonstration.
An
example
of
one
approach
for
performing
a
site­
specific
compliance
demonstration
for
air
toxics
can
be
found
in
the
EPA's
"
Air
Toxics
Risk
Assessment
Reference
Library,
Volume
2,
Site­
Specific
Risk
Assessment
Technical
Resource
Document",
which
may
be
obtained
through
the
EPA's
Air
Toxics
Website
at
www.
epa.
gov/
ttn/
atw.

(
a)
Your
facility
is
eligible
for
the
HCl
alternative
compliance
option
if
your
site­
specific
compliance
demonstration
shows
that
the
maximum
HI
from
respiratory
HAP,
listed
in
section
3,
is
less
than
1.0.

(
b)
Your
facility
is
eligible
for
the
TSM
alternative
compliance
option
if
your
site­
specific
compliance
demonstration
shows
that
the
maximum
HI
from
CNS
HAP,
listed
in
section
3,
is
less
than
1.0.

(
c)
Your
site­
specific
compliance
demonstration
must:

(
1)
estimate
long­
term
inhalation
exposures
through
the
estimation
of
annual
or
multi­
year
average
ambient
concentrations;

(
2)
estimate
the
inhalation
exposure
and
lifetime
cancer
risk
for
the
individual
most
exposed
to
the
facility's
emissions;

(
3)
use
site­
specific,
quality­
assured
data
wherever
possible;

(
4)
use
health­
protective
default
assumptions
wherever
site­
specific
data
are
not
available,
and;

(
5)
contain
adequate
documentation
of
the
data
and
methods
used
for
the
assessment
so
that
it
is
transparent
and
can
be
reproduced
by
an
experienced
risk
assessor.
(
d)
Your
site­
specific
compliance
demonstration
need
not:

(
1)
assume
any
attenuation
of
exposure
concentrations
due
to
the
penetration
of
outdoor
pollutants
into
indoor
exposure
areas;

(
2)
assume
any
reaction
or
deposition
of
the
emitted
pollutants
during
transport
from
the
emission
point
to
the
point
of
exposure;

8.
What
must
my
health­
based
eligibility
demonstration
contain?

(
a)
Your
health­
based
eligibility
demonstration
must
contain,
at
a
minimum,
the
information
specified
in
paragraphs
(
a)(
1)
through
(
6)
of
this
section.

(
1)
Identification
of
each
appropriate
emission
point
at
the
affected
source
facility,
including
the
maximum
rated
capacity
of
each
appropriate
emission
point.

(
2)
Stack
parameters
for
each
appropriate
emission
point
including,
but
not
limited
to,
the
parameters
listed
in
(
a)(
2)(
i)
through
(
iv)
below:

(
i)
Emission
release
type
(
ii)
Stack
height,
stack
area,
stack
gas
temperature,

and
stack
gas
exit
velocity
(
iii)
Plot
plan
showing
all
emission
points,
nearby
residences,
and
fenceline.

(
iv)
Identification
of
any
control
devices
used
to
reduce
emissions
from
each
appropriate
emission
point.

(
3)
Emission
test
reports
for
each
pollutant
and
appropriate
emission
point
which
has
been
tested
using
the
test
methods
specified
in
Table
1
of
this
appendix,

including
a
description
of
the
process
parameters
identified
as
being
worst
case.
For
those
emissions
which
are
not
measured
but
are
included
in
the
assessment,
the
calculation
method
used,
the
inputs
and
outputs
of
any
estimation
developed,
and
any
supporting
references
should
be
included
in
the
documentation.

(
4)
Identification
of
the
RfC
values
used
in
your
lookup
table
analysis
or
site­
specific
compliance
demonstration.

(
5)
Calculations
used
to
determine
the
toxicityweighted
emission
rates
expressed
in
HCl
equivalents
or
manganese
equivalent
according
to
sections
6(
a)
or
(
b)
of
this
appendix,
including
emission
rates
of
each
appropriate
respiratory
or
CNS
toxicants.
(
Note:
this
information
need
only
be
included
if
a
look­
up
table
analysis
is
performed.)

(
6)
Identification
of
the
controlling
process
factors
(
including,
but
not
limited
to,
fuel
type,
heat
input
rate,

type
of
control
devices,
process
parameters
documented
as
worst­
case
conditions
during
the
emissions
testing
used
for
your
eligibility
demonstration)
that
will
become
Federally
enforceable
permit
conditions
used
to
show
that
your
facility
remains
eligible
for
the
health­
based
compliance
alternatives.

(
b)
If
you
use
the
look­
up
table
analysis
in
section
6
of
this
appendix
to
demonstrate
that
your
facility
is
eligible
for
either
health­
based
compliance
alternative,

your
eligibility
demonstration
must
contain,
at
a
minimum,

the
information
in
paragraphs
(
a)
and
(
b)(
1)
through
(
3)
of
this
section.

(
1)
Calculations
used
to
determine
the
average
stack
height
of
the
subpart
DDDDD
emission
points.

(
2)
Identification
of
the
subpart
DDDDD
emission
point
with
the
nearest
distance
to
the
closest
boundary
of
the
facility
used
for
fenceline
distance.

(
3)
Comparison
of
the
values
in
the
look­
up
tables
(
Tables
2
and
3
of
this
appendix)
to
your
maximum
toxicityweighted
HCl
equivalent
or
manganese
equivalent
hourly
emission
rates.

(
c)
If
you
use
a
site­
specific
compliance
demonstration
as
described
in
section
7
of
this
appendix
to
demonstrate
that
your
facility
is
eligible,
your
eligibility
demonstration
must
contain,
at
a
minimum,
the
information
in
paragraphs
(
a)
and
(
c)(
1)
through
(
7)
of
this
section:

(
1)
Identification
of
the
risk
assessment
methodology
used.

(
2)
Documentation
of
the
fate
and
transport
model
used.

(
3)
Documentation
of
the
fate
and
transport
model
inputs,
including
the
information
described
in
paragraphs
(
a)(
1)
through
(
5)
of
this
section
converted
to
the
dimensions
required
for
the
model
and
all
of
the
following
that
apply:
meteorological
data;
building,
land
use,
and
terrain
data;
receptor
locations
and
population
data;
and
other
facility­
specific
parameters
input
into
the
model.

(
4)
Documentation
of
the
fate
and
transport
model
outputs.

(
5)
Documentation
of
any
exposure
assessment
and
risk
characterization
calculations.

(
6)
Comparison
of
the
maximum
chronic
respiratory
and/
or
CNS
HI
to
the
HI
limit
of
1.0.

9.
When
do
I
have
to
complete
and
submit
my
health­
based
eligibility
demonstration?

(
a)
If
you
have
an
existing
affected
source,
you
must
complete
and
submit
your
eligibility
demonstration
to
your
permitting
authority,
along
with
a
signed
certification
that
the
demonstration
is
an
accurate
depiction
of
your
facility,

no
later
than
the
date
one
year
prior
to
the
compliance
date
of
subpart
DDDDD.

(
b)
If
you
have
a
new
or
reconstructed
affected
source
that
starts
up
before
the
effective
date
of
subpart
DDDDD,

or
an
affected
source
that
is
an
area
source
that
increases
its
emissions
or
its
potential
to
emit
such
that
it
becomes
a
major
source
of
HAP
before
the
effective
date
of
subpart
DDDDD,
then
you
must
comply
with
the
requirements
of
subpart
DDDDD
until
your
eligibility
demonstration
is
completed
and
submitted
to
your
permitting
authority.

(
c)
If
you
have
a
new
or
reconstructed
affected
source
that
starts
up
after
the
effective
date
for
subpart
DDDDD,

or
an
affected
source
that
is
an
area
source
that
increases
its
emissions
or
its
potential
to
emit
such
that
it
becomes
a
major
source
of
HAP
after
the
effective
date
for
subpart
DDDDD,
then
you
must
follow
the
schedule
in
paragraphs
(
1)

and
(
2)
of
this
section.

(
1)
You
must
complete
and
submit
a
preliminary
eligibility
demonstration
based
on
the
information
(
e.
g.,

equipment
types,
estimated
emission
rates,
etc.)
used
to
obtain
your
title
V
permit.
You
must
base
your
preliminary
eligibility
demonstration
on
the
maximum
emissions
allowed
under
your
title
V
permit.
If
the
preliminary
eligibility
demonstration
indicates
that
your
affected
source
facility
is
eligible
for
either
compliance
alternative,
then
you
may
start
up
your
new
affected
source
and
your
new
affected
source
will
be
considered
in
compliance
with
the
alternative
HCl
standard
and
subject
to
the
compliance
requirements
in
this
appendix
or,
in
the
case
of
manganese,
your
compliance
demonstration
with
the
TSM
emission
limit
is
based
on
7
metals
(
excluding
manganese).

(
2)
You
must
conduct
the
emission
tests
specified
in
section
4
of
this
appendix
upon
initial
startup
and
use
the
results
of
these
emissions
tests
to
complete
and
submit
your
eligibility
demonstration
within
180
days
following
your
initial
startup
date.
To
be
eligible,
you
must
meet
the
criteria
in
section
11
of
this
appendix
within
18
months
following
initial
startup
of
your
affected
source.

10.
When
do
I
become
eligible
for
the
health­
based
compliance
alternatives?

To
be
eligible
for
either
health­
based
compliance
alternative,
the
parameters
that
defined
your
affected
source
as
eligible
for
the
health­
based
compliance
alternatives
(
including,
but
not
limited
to,
fuel
type,
type
of
control
devices,
process
parameters
documented
as
worstcase
conditions
during
the
emissions
testing
used
for
your
eligibility
demonstration)
must
be
incorporated
as
Federally
enforceable
limits
into
your
title
V
permit.
If
you
do
not
meet
these
criteria,
then
your
affected
source
is
subject
to
the
applicable
emission
limits,
operating
limits,
and
work
practice
standards
in
Subpart
DDDDD.

11.
How
do
I
ensure
that
my
facility
remains
eligible
for
the
health­
based
compliance
alternatives?

(
a)
You
must
update
your
eligibility
demonstration
and
resubmit
it
each
time
you
have
a
process
change,
such
that
any
of
the
parameters
that
defined
your
affected
source
changes
in
a
way
that
could
result
in
increased
HAP
emissions
(
including,
but
not
limited
to,
fuel
type,
change
in
type
of
control
device,
changes
in
process
parameters
documented
as
worst­
case
conditions
during
the
emissions
testing
used
for
your
approved
eligibility
demonstration).

(
b)
If
you
are
updating
your
eligibility
demonstration
to
account
for
an
action
in
paragraph
(
a)
of
this
section,

then
you
must
perform
emission
testing
according
to
section
4
of
this
appendix
for
the
subpart
DDDDD
emission
points
that
may
have
increased
HAP
emissions
beyond
the
levels
reflected
in
your
previously
approved
eligibility
demonstration
due
to
the
process
change.
You
must
submit
your
revised
eligibility
demonstration
to
EPA
prior
to
revising
your
permit
to
incorporate
the
process
change.
If
your
updated
eligibility
demonstration
indicates
that
your
affected
source
is
no
longer
eligible
for
the
health­
based
compliance
alternatives,
then
you
must
comply
with
the
applicable
emission
limits,
operating
limits,
and
compliance
requirements
in
Subpart
DDDDD
prior
to
making
the
process
change
and
revising
your
permit.

13.
What
records
must
I
keep?

You
must
keep
records
of
the
information
used
in
developing
the
eligibility
demonstration
for
your
affected
source,
including
all
of
the
information
specified
in
section
8
of
this
appendix.

14.
Definitions.
The
definitions
in
§
63.7575
of
subpart
DDDDD
apply
to
this
appendix.
Additional
definitions
applicable
for
this
appendix
are
as
follows:

Appropriate
emission
point
means
a
process
unit
that
is
reasonably
expected
to
emit
the
HAP
of
concern
(
HCl,

chlorine,
manganese,
respiratory
toxicants,
or
central
nervous
system
toxicants).

Hazard
Index
(
HI)
means
the
sum
of
more
than
one
hazard
quotient
for
multiple
substances
and/
or
multiple
exposure
pathways.

Hazard
Quotient
(
HQ)
means
the
ratio
of
the
predicted
media
concentration
of
a
pollutant
to
the
media
concentratation
at
which
no
adverse
effects
are
expected.

For
inhalation
exposures,
the
HQ
is
calculated
as
the
air
concentration
divided
by
the
RfC.

Look­
up
table
analysis
means
a
risk
screening
analysis
based
on
comparing
the
HAPHAP­
equivalent
emission
rate
(
or
toxicity­
weighted
HAP
emission
rate)
from
the
affected
source
to
the
maximum
allowable
HAPHAP­
equivalent
emission
rates
specified
in
Tables
2
and
3
of
this
appendix.

Reference
Concentration
(
RfC)
means
an
estimate
(
with
uncertainty
spanning
perhaps
an
order
of
magnitude)
of
a
continuous
inhalation
exposure
to
the
human
population
(
including
sensitive
subgroups)
that
is
likely
to
be
without
an
appreciable
risk
of
deleterious
effects
during
a
lifetime.
It
can
be
derived
from
various
types
of
human
or
animal
data,
with
uncertainty
factors
generally
applied
to
reflect
limitations
of
the
data
used.

Worst­
case
operating
conditions
means
operation
of
an
affected
unit
during
emissions
testing
under
the
conditions
that
result
in
the
highest
HAP
emissions
or
that
result
in
the
emissions
stream
composition
(
including
HAP
and
non­
HAP)

that
is
most
challenging
for
the
control
device
if
a
control
device
is
used.
For
example,
worst
case
conditions
could
include
operation
of
an
affected
unit
firing
solid
fuel
likely
to
produce
the
most
HAP.
Table
1
to
Appendix
B
of
Subpart
DDDDD.
Emission
Test
Methods.

For...
You
must...
Using...

(
1)
each
subpart
DDDDD
emission
point
for
which
you
choose
to
use
a
compliance
alternative
select
sampling
ports'
location
and
the
number
of
traverse
points
Method
1
of
40
CFR
part
60,
appendix
A.

(
2)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
a
compliance
alternative
determine
velocity
and
volumetric
flow
rate;
Method
2,
2F,
or
2G
in
appendix
A
to
40
CFR
part
60.

(
3)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
a
compliance
alternative
conduct
gas
molecular
weight
analysis
Method
3A
or
3B
in
appendix
A
to
40
CFR
part
60.

(
4)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
a
compliance
alternative
measure
moisture
content
of
the
stack
gas
Method
4
in
appendix
A
to
40
CFR
part
60.

(
5)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
the
HCl
compliance
alternative
measure
the
hydrogen
chloride
and
chlorine
emission
concentrations
Method
26
or
26A
in
appendix
A
to
40
CFR
part
60.

(
6)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
the
TSM
compliance
alternative
measure
the
manganese
emission
concentration
Method
29
in
appendix
A
to
40
CFR
part
60.
(
7)
each
emission
DDDDD
emission
point
for
which
you
choose
to
use
a
compliance
alternative
convert
emissions
concentration
to
lb
per
MMBtu
emission
rates.
Method
19
F­
factor
methodology
in
appendix
A
to
part
60
of
this
chapter.
Table
2
to
Appendix
A
of
Subpart
DDDDD.
Allowable
toxicity­
weighted
emission
rate
expressed
in
HCl
equivalents
(
lbs/
hr)
fencelinedistance
to
property
boundary
(
m)

Stack
ht.(
m)
50
100
150
200
250
500
1000
1500
2000
3000
5000
5
114.9
114.9
114.9
114.9
114.9
144.3
287.3
373.0
373.0
373.0
373.0
10
188.5
188.5
188.5
188.5
188.5
195.3
328.0
453.5
434.4
434.4
434.4
20
386.1
386.1
386.1
386.1
386.1
386.1
425.4
580.0
602.7
602.7
602.7
30
396.1
396.1
396.1
396.1
396.1
396.1
436.3
596.2
690.6
807.8
816.5
40
408.1
408.1
408.1
408.1
408.1
408.1
448.2
613.3
715.5
832.2
966.0
50
421.4
421.4
421.4
421.4
421.4
421.4
460.6
631.0
746.3
858.2
1002.8
60
435.5
435.5
435.5
435.5
435.5
435.5
473.4
649.0
778.6
885.0
1043.4
70
450.2
450.2
450.2
450.2
450.2
450.2
486.6
667.4
813.8
912.4
1087.4
80
465.5
465.5
465.5
465.5
465.5
465.5
500.0
685.9
849.8
940.9
1134.8
100
497.5
497.5
497.5
497.5
497.5
497.5
527.4
723.6
917.1
1001.2
1241.3
200
677.3
677.3
677.3
677.3
677.3
677.3
682.3
919.8
1167.1
1390.4
1924.6
Table
3
to
Appendix
A
of
Subpart
DDDDD.
Allowable
Toxicity­
Weighted
Emission
Rate
Expressed
in
Manganese
Equivalents
(
lbs/
hr)

fencelinedistance
to
property
boundary
(
m)

Stack
ht.(
m)
50
100
150
200
250
500
1000
1500
2000
3000
5000
5
0.29
0.29
0.29
0.29
0.29
0.36
0.72
0.93
0.93
0.93
0.93
10
0.47
0.47
0.47
0.47
0.47
0.49
0.82
1.13
1.09
1.09
1.09
20
0.97
0.97
0.97
0.97
0.97
0.97
1.06
1.45
1.51
1.51
1.51
30
0.99
0.99
0.99
0.99
0.99
0.99
1.09
1.49
1.73
2.02
2.04
40
1.02
1.02
1.02
1.02
1.02
1.02
1.12
1.53
1.79
2.08
2.42
50
1.05
1.05
1.05
1.05
1.05
1.05
1.15
1.58
1.87
2.15
2.51
60
1.09
1.09
1.09
1.09
1.09
1.09
1.18
1.62
1.95
2.21
2.61
70
1.13
1.13
1.13
1.13
1.13
1.13
1.22
1.67
2.03
2.28
2.72
80
1.16
1.16
1.16
1.16
1.16
1.16
1.25
1.71
2.12
2.35
2.84
100
1.24
1.24
1.24
1.24
1.24
1.24
1.32
1.81
2.29
2.50
3.10
200
1.69
1.69
1.69
1.69
1.69
1.69
1.71
2.30
2.92
3.48
4.81
