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{longname} Q338. For Tier 3, if I have multiple combustion sources using a single fuel type, should I enter this as an aggregation of units?

{longname}

A338.

...

  While

...

it

...

is

...

possible

...

for

...

an

...

aggregation

...

of

...

units

...

to

...

use

...

Tier

...

3

...

for

...

certain

...

fuel

...

types,

...

it

...

is

...

important

...

to

...

remember

...

that

...

the

...

aggregation

...

of

...

units

...

option

...

is

...

only

...

allowed

...

if

...

each

...

unit

...

in

...

the

...

group

...

is

...

smaller

...

than

...

250

...

mmBtu/hr.

...

If

...

the

...

use

...

of

...

Tier

...

3

...

is

...

required

...

because

...

any

...

given

...

unit

...

is

...

larger

...

than

...

250

...

mmBtu/hr,

...

the

...

use

...

of

...

the

...

aggregation

...

of

...

units

...

option

...

would

...

not

...

be

...

allowed;

...

however,

...

you

...

would

...

be

...

able

...

report

...

combined

...

emissions

...

for

...

these

...

units

...

using

...

the

...

common

...

pipe

...

configuration

...

if

...

these

...

units

...

combust

...

the

...

same

...

type

...

of

...

liquid

...

or

...

gaseous

...

fuel

...

and

...

the

...

fuel

...

is

...

fed

...

to

...

the

...

individual

...

units

...

through

...

a

...

common

...

supply

...

line

...

or

...

pipe.

...

 (See

...

§98.36(c)(1)

...

and

...

§98.36(c)(3).)

...

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Source: This question and answer was derived from a Legacy FAQ, revised by D. Richards, 11/30/2011.

Approval / Publishing History: Version 2, Approved by M. Hannan, 1/23/2013

Expiration: none

Relevant Subparts: Subpart C
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