ILLINOIS POLLUTION CONTROL

BOARD

November

23,

1977

IN

THE

MATTER

OF:

PARTICULATE EMISSIONS

)

R76-5

FROM AIR FURNACES

)

ORDER OF THE BOARD

(by Mr. Goodman):

On September

29, 1977, the Board

entered an Order

in this

matter setting a

30-day public

comment period on the Proposed

Final Draft in

this matter, and ordered

publication of that Pro-

posed Final Draft.

The Board also adopted

its Opinion

~n this

matter at that time.

The Proposed

Final Draft was published

in Environmental

Register #157,

on October

17,

1977.

All

public comments received

were favorable.

The Board

therefore adopts as final the

following changes to

the Air Pollution

ORDER

Rule 203(d)

of

Chapter

2:

Air Pollution of the Pollution

Control Board

Rules and Regulations shall be

amended by addition

of a new part 203(d)

(10),

as follows:

(10)

Certain Small

Iron-Melting

Air Furnaces.

Rules

203(b)

ancF2O3(c)

shall not apply to iron-melting

air furnaces

if all the following

conditions are

met:

(A)

The air furnace

was

in

existence prior

to April 15,

1967, and

is

1.ocn Led

in

Hoopeston, Vermilion County,

illinois;

and,

(B)

The air furnace process

weight rate

is

less than or equal to

5,000 lbs/hr;

and,

28-339

---

—2—

(C)

Th~ air furnace as of November

23, 1977,

(t~ effective date of this subparagraph),

either:

(i)

is

in corooliance with the following

Table 2,3~l; or

(ii)

is in compliance with the terms and

conditions of a variance granted by

the Pollution Control Board, and con-

struction has commenced

on equipment

or modifications sufficient to achieve

compliance with Table 2.3.1.

TABLE 2.3.1

Allowable Emissions From Small Iron-Melting

Air Furnaces Covered by Rule 203 (d) (9)

Process Weight Rate

Allowable Average

Pounds

Emission Rate

Per Hour

Pounds Per Hour

1,000

6.10

2,000

9.40

3,000

12.70

4,000

16.00

5,000

19.16

The average emission rate

is computed by dividing

the sum of the emissions during operation by the

number of hours of operation,

excluding any time

during which the equipment

is

idle.

For process weight rates 1iste~ in Table 2.3.1,

straight line interpolation between two consecutive

process weight rates shall be used to determine

allowable average emission rates.

IT IS SO ORDERED.

I, Christan

L.

Moffett, Clerk of the Illinois Po1lution~$jpntrol

Board, hereby certify the above Order was adopted on the

~

day

~

1977 by a vote of________________

Christan

L. Moff

,

Clerk

Illinois Polluti

ontrol Board

-~

340