15a ncac 02q .0711       EMISSION RATES REQUIRING A PERMIT

(a)  A permit to emit toxic air pollutants shall be required for any facility where one or more emission release points are obstructed or non-vertically oriented whose actual rate of emissions from all sources are greater than any one of the following toxic air pollutant permitting emissions rates:

 

Pollutant (CAS Number)

 

 

Carcinogens

 

lb/yr

Chronic Toxicants

 

lb/day

Acute Systemic Toxicants lb/hr

Acute Irritants

 

lb/hr

acetaldehyde (75-07-0)

 

 

 

6.8

acetic acid (64-19-7)

 

 

 

0.96

acrolein (107-02-8)

 

 

 

0.02

acrylonitrile (107-13-1)

 

0.4

0.22

 

ammonia (7664-41-7)

 

 

 

0.68

aniline (62-53-3)

 

 

0.25

 

arsenic and inorganic arsenic compounds

0.053

 

 

 

asbestos (1332-21-4)

5.7 X 10-3

 

 

 

aziridine (151-56-4)

 

0.13

 

 

benzene (71-43-2)

8.1

 

 

 

benzidine and salts (92-87-5)

0.0010

 

 

 

benzo(a)pyrene (50-32-8)

2.2

 

 

 

benzyl chloride (100-44-7)

 

 

0.13

 

beryllium (7440-41-7)

0.28

 

 

 

beryllium chloride (7787-47-5)

0.28

 

 

 

beryllium fluoride (7787-49-7)

0.28

 

 

 

beryllium nitrate (13597-99-4)

0.28

 

 

 

bioavailable chromate pigments,

as chromium (VI) equivalent

0.0056

 

 

 

bis-chloromethyl ether (542-88-1)

0.025

 

 

 

bromine (7726-95-6)

 

 

 

0.052

1,3-butadiene (106-99-0)

11

 

 

 

cadmium (7440-43-9)

0.37

 

 

 

cadmium acetate (543-90-8)

0.37

 

 

 

cadmium bromide (7789-42-6)

0.37

 

 

 

carbon disulfide (75-15-0)

 

3.9

 

 

carbon tetrachloride (56-23-5)

460

 

 

 

chlorine (7782-50-5)

 

0.79

 

0.23

chlorobenzene (108-90-7)

 

46

 

 

chloroform (67-66-3)

290

 

 

 

chloroprene (126-99-8)

 

9.2

0.89

 

cresol (1319-77-3)

 

 

0.56

 

p-dichlorobenzene (106-46-7)

 

 

 

16.8

dichlorodifluoromethane (75-71-8)

 

5200

 

 

dichlorofluoromethane (75-43-4)

 

10

 

 

di(2-ethylhexyl)phthalate (117-81-7)

 

0.63

 

 

dimethyl sulfate (77-78-1)

 

0.063

 

 

1,4-dioxane (123-91-1)

 

12

 

 

epichlorohydrin (106-89-8)

5600

 

 

 

ethyl acetate (141-78-6)

 

 

36

 

ethylenediamine (107-15-3)

 

6.3

0.64

 

ethylene dibromide (106-93-4)

27

 

 

 

ethylene dichloride (107-06-2)

260

 

 

 

ethylene glycol monoethyl ether (110-80-5)

 

2.5

0.48

 

ethylene oxide (75-21-8)

1.8

 

 

 

ethyl mercaptan (75-08-1)

 

 

0.025

 

fluorides

 

0.34

0.064

 

formaldehyde (50-00-0)

 

 

 

0.04

hexachlorocyclopentadiene (77-47-4)

 

0.013

0.0025

 

hexachlorodibenzo-p-dioxin (57653- 85-7)

0.0051

 

 

 

n-hexane (110-54-3)

 

23

 

 

hexane isomers except n-hexane

 

 

 

92

hydrazine (302-01-2)

 

0.013

 

 

hydrogen chloride (7647-01-0)

 

 

 

0.18

hydrogen cyanide (74-90-8)

 

2.9

0.28

 

hydrogen fluoride (7664-39-3)

 

0.63

 

0.064

hydrogen sulfide (7783-06-4)

 

1.7

 

 

maleic anhydride (108-31-6)

 

0.25

0.025

 

manganese and compounds

 

0.63

 

 

manganese cyclopentadienyl tricarbonyl (12079-65-1)

 

0.013

 

 

manganese tetroxide (1317-35-7)

 

0.13

 

 

mercury, alkyl

 

0.0013

 

 

mercury, aryl and inorganic compounds

 

0.013

 

 

mercury, vapor (7439-97-6)

 

0.013

 

 

methyl chloroform (71-55-6)

 

250

 

64

methylene chloride (75-09-2)

1600

 

0.39

 

methyl ethyl ketone (78-93-3)

 

78

 

22.4

methyl isobutyl ketone (108-10-1)

 

52

 

7.6

methyl mercaptan (74-93-1)

 

 

0.013

 

nickel carbonyl (13463-39-3)

 

0.013

 

 

nickel metal (7440-02-0)

 

0.13

 

 

nickel, soluble compounds, as nickel

 

0.013

 

 

nickel subsulfide (12035-72-2)

0.14

 

 

 

nitric acid (7697-37-2)

 

 

 

0.256

nitrobenzene (98-95-3)

 

1.3

0.13

 

n-nitrosodimethylamine (62-75-9)

3.4

 

 

 

non-specific chromium (VI)  compounds, as chromium (VI) equivalent

0.0056

 

 

 

pentachlorophenol (87-86-5)

 

0.063

0.0064

 

perchloroethylene (127-18-4)

13000

 

 

 

phenol (108-95-2)

 

 

0.24

 

phosgene (75-44-5)

 

0.052

 

 

phosphine (7803-51-2)

 

 

 

0.032

polychlorinated biphenyls (1336-36- 3)

5.6

 

 

 

soluble chromate compounds, as  chromium (VI) equivalent

 

0.013

 

 

styrene (100-42-5)

 

 

2.7

 

sulfuric acid (7664-93-9)

 

0.25

0.025

 

tetrachlorodibenzo-p-dioxin (1746- 01-6)

0.00020

 

 

 

1,1,1,2-tetrachloro-2,2,-difluoroethane

(76-11-9)

 

1100

 

 

1,1,2,2-tetrachloro-1,2-difluoroethane

(76-12-0)

 

1100

 

 

1,1,2,2-tetrachloroethane (79-34-5)

430

 

 

 

toluene (108-88-3)

 

98

 

14.4

toluene diisocyanate,2,4-(584-84-9) and 2,6- (91-08-7) isomers

 

0.003

 

 

trichloroethylene (79-01-6)

4000

 

 

 

trichlorofluoromethane (75-69-4)

 

 

140

 

1,1,2-trichloro-1,2,2-trifluoroethane

(76-13-1)

 

 

 

240

vinyl chloride (75-01-4)

26

 

 

 

vinylidene chloride (75-35-4)

 

2.5

 

 

xylene (1330-20-7)

 

57

 

16.4

 

(b)  A permit to emit toxic air pollutants shall be required for any facility where all emission release points are unobstructed  and vertically oriented whose actual  rate of emissions from all sources are greater than any one of the following toxic air pollutant permitting emissions rates:

 

Pollutant (CAS Number)

Carcinogens

 

lb/yr

Chronic Toxicants

 

lb/day

Acute Systemic Toxicants lb/hr

Acute Irritants

 

lb/hr

acetaldehyde (75-07-0)

28.43

acetic acid (64-19-7)

3.90

acrolein (107-02-8)

0.08

acrylonitrile (107-13-1)

1.3

1.05

ammonia (7664-41-7)

2.84

aniline (62-53-3)

1.05

arsenic and inorganic arsenic compounds

0.194

asbestos (1332-21-4)

7.748 x 10-3

aziridine (151-56-4)

0.3

benzene (71-43-2)

11.069

benzidine and salts (92-87-5)

1.384 x 10-3

benzo(a)pyrene (50-32-8)

3.044

benzyl chloride (100-44-7)

0.53

beryllium (7440-41-7)

0.378

beryllium chloride (7787-47-5)

0.378

beryllium fluoride (7787-49-7)

0.378

beryllium nitrate (13597-99-4)

0.378

bioavailable chromate pigments,

as chromium (VI) equivalent

0.008

bis-chloromethyl ether (542-88-1)

0.034

bromine (7726-95-6)

0.21

1,3-butadiene (106-99-0)

40.585

cadmium (7440-43-9)

0.507

cadmium acetate (543-90-8)

0.507

cadmium bromide (7789-42-6)

0.507

carbon disulfide (75-15-0)

7.8

carbon tetrachloride (56-23-5)

618.006

chlorine (7782-50-5)

1.6

0.95

chlorobenzene (108-90-7)

92.7

chloroform (67-66-3)

396.631

chloroprene (126-99-8)

18.5

3.69

cresol (1319-77-3)

2.32

p-dichlorobenzene (106-46-7)

69.50

dichlorodifluoromethane (75-71-8)

10445.4

dichlorofluoromethane (75-43-4)

21.1

di(2-ethylhexyl)phthalate (117-81-7)

1.3

dimethyl sulfate (77-78-1)

0.1

1,4-dioxane (123-91-1)

23.6

epichlorohydrin (106-89-8)

7655.891

ethyl acetate (141-78-6)

147.41

ethylenediamine (107-15-3)

12.6

2.63

ethylene dibromide (106-93-4)

36.896

ethylene dichloride (107-06-2)

350.511

ethylene glycol monoethyl ether (110-80-5)

5.1

2.00

 

ethylene oxide (75-21-8)

2.490

ethyl mercaptan (75-08-1)

0.11

fluorides

0.7

0.26

formaldehyde (50-00-0)

0.16

hexachlorocyclopentadiene (77-47-4)

2.5 x 10-2

0.01

hexachlorodibenzo-p-dioxin (57653- 85-7)

0.007

n-hexane (110-54-3)

46.3

hexane isomers except n-hexane

379.07

hydrazine (302-01-2)

2.5 x 10-2

hydrogen chloride (7647-01-0)

0.74

hydrogen cyanide (74-90-8)

5.9

1.16

hydrogen fluoride (7664-39-3)

1.3

0.26

hydrogen sulfide (7783-06-4)

5.1

maleic anhydride (108-31-6)

0.5

0.11

manganese and compounds

1.3

manganese cyclopentadienyl tricarbonyl (12079-65-1)

2.5 x 10-2

manganese tetroxide (1317-35-7)

0.3

mercury, alkyl

2.5 x 10-3

mercury, aryl and inorganic compounds

2.5 x 10-2

mercury, vapor (7439-97-6)

2.5 x 10-2

methyl chloroform (71-55-6)

505.4

257.98

methylene chloride (75-09-2)

2213.752

1.79

methyl ethyl ketone (78-93-3)

155.8

93.19

methyl isobutyl ketone (108-10-1)

107.8

31.59

methyl mercaptan (74-93-1)

0.05

nickel carbonyl (13463-39-3)

2.5 x 10-2

nickel metal (7440-02-0)

0.3

nickel, soluble compounds, as nickel

2.5 x 10-2

nickel subsulfide (12035-72-2)

0.194

nitric acid (7697-37-2)

1.05

nitrobenzene (98-95-3)

2.5

0.53

n-nitrosodimethylamine (62-75-9)

4.612

non-specific chromium (VI)  compounds, as chromium (VI) equivalent

0.008

pentachlorophenol (87-86-5)

0.1

0.03

perchloroethylene (127-18-4)

17525.534

phenol (108-95-2)

1.00

phosgene (75-44-5)

0.1

phosphine (7803-51-2)

0.14

polychlorinated biphenyls (1336-36- 3)

7.656

soluble chromate compounds, as  chromium (VI) equivalent

2.6 x 10-2

styrene (100-42-5)

11.16

sulfuric acid (7664-93-9)

0.5

0.11

tetrachlorodibenzo-p-dioxin (1746- 01-6)

2.767 x 10-4

1,1,1,2-tetrachloro-2,2,-difluoroethane

(76-11-9)

2190.2

1,1,2,2-tetrachloro-1,2-difluoroethane

(76-12-0)

2190.2

1,1,2,2-tetrachloroethane (79-34-5)

581.110

toluene (108-88-3)

197.96

58.97

toluene diisocyanate,2,4-(584-84-9) and 2,6- (91-08-7) isomers

8.4 x 10-3

trichloroethylene (79-01-6)

5442.140

trichlorofluoromethane (75-69-4)

589.66

1,1,2-trichloro-1,2,2-trifluoroethane

(76-13-1)

1000.32

vinyl chloride (75-01-4)

35.051

vinylidene chloride (75-35-4)

5.1

xylene (1330-20-7)

113.7

68.44

 

(c)  For the following pollutants, the highest emissions occurring for any 15-minute period shall be multiplied by four and the product shall be compared to the value in Paragraph (a) or (b) as applicable. These pollutants are:

(1)           acetaldehyde (75-07-0);

(2)           acetic acid (64-19-7);

(3)           acrolein (107-02-8);

(4)           ammonia (7664-41-7);

(5)           bromine (7726-95-6);

(6)           chlorine (7782-50-5);

(7)           formaldehyde (50-00-0);

(8)           hydrogen chloride (7647-01-0);

(9)           hydrogen fluoride (7664-39-3); and

(10)         nitric acid (7697-37-2).

 

History Note:        Authority G.S. 143-215.3(a)(1); 143-215-107; 143-215.108; 143B-282;

Rule originally codified as part of 15A NCAC 02H .0610;

Eff. July 1, 1998;

Amended Eff. May 1, 2015; May 1, 2014; January 1, 2010; June 1, 2008; April 1, 2005; February 1, 2005; April 1, 2001.