§212.322. Process Emission Units For Which Construction or Modification Commenced Prior to April 14, 1972

a)         Except as further provided in this Part, no person shall cause or allow the emission of particulate matter into the atmosphere in any one hour period from any process emission unit for which construction or modification commenced prior to April 14, 1972, which, either alone or in combination with the emission of particulate matter from all other similar process emission units at a source or premises, exceeds the allowable emission rates specified in subsection (c) of this Section.

 

b)         Interpolated and extrapolated values of the data in subsection (c) of this Section shall be determined by using the equation:

 

E = C + A(P)^B

 

where:

 

P = process weight rate; and

 

E = allowable emission rate; and,

 

1)         For process weight rates up to 27.2 Mg/hr (30 T/hr):

 

 

	Metric	English
P	Mg/hr	T/hr
E	kg/hr	lbs/hr
A	1.985	4.10
B	0.67	0.67
C	0	0

 

2)         For process weight rates in excess of 27.2 Mg/hr (30 T/hr):

 

	Metric	English
P	Mg/hr	T/hr
E	kg/hr	lbs/hr
A	25.21	55.0
B	0.11	0.11
C	-18.4	-40.0

 

c)         Limits for Process Emission Units For Which Construction or Modification Commenced Prior to April 14, 1972

 

Metric			English
P	E		P	E
Mg/hr	kg/hr		T/hr	lbs/hr
0.05	0.27		0.05	0.55
0.1	0.42		0.10	0.87
0.2	0.68		0.20	1.40
0.3	0.89		0.30	1.83
0.4	1.07		0.40	2.22
0.5	1.25		0.50	2.58
0.7	1.56		0.75	3.38
0.9	1.85		1.00	4.10
1.8	2.9		2.00	6.52
2.7	3.9		3.00	8.56
3.6	4.7		4.00	10.40
4.5	5.4		5.00	12.00
9.	8.7		10.00	19.20
13.	11.1		15.00	25.20
18.	13.8		20.00	30.50
23.	16.2		25.00	35.40
27.2	18.15		30.00	40.00
32.0	18.8		35.00	41.30
36.0	19.3		40.00	42.50
41.0	19.8		45.00	43.60
45.0	20.2		50.00	44.60
90.0	23.2		100.00	51.20
140.0	25.3		150.00	55.40
180.0	26.5		200.00	58.60
230.0	27.7		250.00	61.00
270.0	28.5		300.00	63.10
320.0	29.4		350.00	64.90
360.0	30.0		400.00	66.20
400.0	30.6		450.00	67.70
454.0	31.3		500.00	69.00

 

where:

 

P = Process weight rate in Mg/hr or T/hr, and

 

E = Allowable emission rate in kg/hr or lbs/hr.

 

(Source:  Amended at 20 Ill. Reg. 7605, effective May 22, 1996)