Federal & State Regulations | Subpart SSSS - National Emission Standards for Hazardous Air Pollutants Surface Coating of Metal Coil

Table 1 to Subpart SSSS of Part 63 - Operating Limits if Using Add-on Control Devices and Capture System

If you are required to comply with operating limits by §63.5121, you must comply with the applicable operating limits in the following table:

For the following device . . .	You must meet the following operating limit . . .	And you must demonstrate continuous compliance with the operating limit by . . .
1. thermal oxidizer	a. the average combustion temperature in any 3-hour period must not fall below the combustion temperature limit established according to §63.5160(d)(3)(i)	i. collecting the combustion temperature data according to §63.5150(a)(3); ii. reducing the data to 3-hour block averages; and iii. maintaining the 3-hour average combustion temperature at or above the temperature limit.
2. catalytic oxidizer	a. the average temperature measured just before the catalyst bed in any 3-hour period must not fall below the limit established according to §63.5160(d)(3)(ii); and either	i. collecting the temperature data according to §63.5150(a)(3); ii. reducing the data to 3-hour block averages; and iii. maintaining the 3-hour average temperature before the catalyst bed at or above the temperature limit.
	b. ensure that the average temperature difference across the catalyst bed in any 3-hour period does not fall below the temperature difference limit established according to §63.5160(d)(3)(ii); or	i. collecting the temperature data according to §63.5150(a)(3); ii. reducing the data to 3-hour block averages; and iii. maintaining the 3-hour average temperature difference at or above the temperature difference limit.
	c. develop and implement an inspection and maintenance plan according to §63.5160(d)(3)(ii)	maintaining an up-to-date inspection and maintenance plan, records of annual catalyst activity checks, records of monthly inspections of the oxidizer system, and records of the annual internal inspections of the catalyst bed. If a problem is discovered during a monthly or annual inspection required by §63.5160(d)(3)(ii), you must take corrective action as soon as practicable consistent with the manufacturer's recommendations.
3. emission capture system	develop a monitoring plan that identifies operating parameter to be monitored and specifies operating limits according to §63.5150(a)(4)	conducting monitoring according to the plan §63.5150(a)(4).

Table 2 to Subpart SSSS of Part 63 - Applicability of General Provisions to Subpart SSSS

You must comply with the applicable General Provisions requirements according to the following table:

General provisions reference	Subject	Applicable to subpart SSSS	Explanation
§63.1(a)(1)-(4)	General Applicability	Yes
§63.1(a)(6)	Source Category Listing	Yes
§63.1(a)(10)-(12)	Timing and Overlap Clarifications	Yes
§63.1(b)(1)	Initial Applicability Determination	Yes	Applicability to Subpart SSSS is also specified in §63.5090.
§63.1(b)(3)	Applicability Determination Recordkeeping	Yes
§63.1(c)(1)	Applicability after Standard Established	Yes
§63.1(c)(2)	Applicability of Permit Program for Area Sources	Yes
§63.1(c)(5)	Extensions and Notifications	Yes
§63.1(c)(6)	Yes
§63.1(e)	Applicability of Permit Program Before Relevant Standard is Set	Yes
§63.2	Definitions	Yes	Additional definitions are specified in §63.5110.
§63.3	Units and Abbreviations	Yes
§63.4(a)(1)-(2)	Prohibited Activities	Yes
§63.4(b)-(c)	Circumvention/Fragmentation	Yes
§63.5(a)	Construction/Reconstruction	Yes
§63.5(b)(1), (3), (4), (6)	Requirements for Existing, Newly Constructed, and Reconstructed Sources	Yes
§63.5(d)(1)(i)-(ii)(F), (d)(1)(ii)(H), (d)(1)(ii)(J), (d)(1)(iii), (d)(2)-(4)	Application for Approval of Construction/Reconstruction	Yes	Only total HAP emissions in terms of tons per year are required for §63.5(d)(1)(ii)(H).
§63.5(e)	Approval of Construction/Reconstruction	Yes
§63.5(f)	Approval of Construction/Reconstruction Based on Prior State Review	Yes
§63.6(a)	Compliance with Standards and Maintenance Requirements-Applicability	Yes
§63.6(b)(1)-(5), (b)(7)	Compliance Dates for New and Reconstructed Sources	Yes	Section 63.5130 specifies the compliance dates.
§63.6(c)(1), (2), (5)	Compliance Dates for Existing Sources	Yes	Section 63.5130 specifies the compliance dates.
§63.6(e)(1)(i)-(ii)	General Duty to Minimize Emissions and Requirement to Correct Malfunctions As Soon As Possible	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5140(b) for general duty requirement.
§63.6(e)(1)(iii)	Operation and Maintenance Requirements	Yes
§63.6(e)(3)(i), (e)(3)(iii)-(ix)	SSMP Requirements	Yes before August 24, 2020, No on and after August 24, 2020
§63.6(f)(1)	SSM Exemption	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5140(b) for general duty requirement.
§63.6(f)(2)-(3)	Compliance with Non-Opacity Emission Standards	Yes
§63.6(g)	Alternative Non-Opacity Emission Standard	Yes
§63.6(h)	Compliance with Opacity/Visible Emission Standards	No	Subpart SSSS does not establish opacity standards or visible emission standards.
§63.6(i)(1)-(14), (i)(16)	Extension of Compliance and Administrator's Authority	Yes
§63.6(j)	Presidential Compliance Exemption	Yes
§63.7(a)-(d) except (a)(2)(i)-(viii)	Performance Test Requirements	Yes
§63.7(e)(1)	Performance Testing	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5160(d)(2).
§63.7(e)(2)-(4)	Conduct of Performance Tests	Yes
§63.7(f)	Alternative Test Method	Yes	EPA retains approval authority.
§63.7(g)-(h)	Data Analysis and Waiver of Tests	Yes
§63.8(a)(1)-(2)	Monitoring Requirements—Applicability	Yes	Additional requirements for monitoring are specified in §63.5150(a).
§63.8(a)(4)	Additional Monitoring Requirements	No	Subpart SSSS does not have monitoring requirements for flares.
§63.8(b)	Conduct of Monitoring	Yes
§63.8(c)(1)	Operation and Maintenance of Continuous Monitoring System (CMS)	Yes before August 24, 2020, No on and after August 24, 2020	Section 63.5150(a) specifies the requirements for the operation of CMS for capture systems and add-on control devices at sources using these to comply.
§63.8(c)(2)-(3)	CMS Operation and Maintenance	Yes	Applies only to monitoring of capture system and add-on control device efficiency at sources using these to comply with the standards. Additional requirements for CMS operations and maintenance are specified in §63.5170.
§63.8(c)(4)-(5)	CMS Continuous Operation Procedures	No	Subpart SSSS does not require COMS.
§63.8(c)(6)-(8)	CMS Requirements	Yes	Provisions only apply if CEMS are used.
§63.8(d)-(e)	CMS Quality Control, Written Procedures, and Performance Evaluation	Yes	Provisions only apply if CEMS are used.
§63.8(f)(1)-(5)	Use of an Alternative Monitoring Method	Yes	EPA retains approval authority.
§63.8(f)(6)	Alternative to Relative Accuracy Test	No	Section 63.8(f)(6) provisions are not applicable because subpart SSSS does not require CEMS.
§63.8(g)	Data Reduction	No	Sections 63.5170, 63.5140, 63.5150, and 63.5150 specify monitoring data reduction.
§63.9(a)	Notification of Applicability	Yes
§63.9(b)(1)	Initial Notifications	Yes
§63.9(b)(2)	Initial Notifications	Yes	With the exception that §63.5180(b)(1) provides 2 years after the proposal date for submittal of the initial notification for existing sources.
§63.9(b)(4)(i), (b)(4)(v), (b)(5)	Application for Approval of Construction or Reconstruction	Yes
§63.9(c)-(e)	Request for Extension of Compliance, New Source Notification for Special Compliance Requirements, and Notification of Performance Test	Yes	Notification of performance test requirement applies only to capture system and add-on control device performance tests at sources using these to comply with the standards.
§63.9(f)	Notification of Visible Emissions/Opacity Test	No	Subpart SSSS does not require opacity and visible emissions observations.
§63.9(g)	Additional Notifications When Using CMS	No	Provisions for COMS are not applicable.
§63.9(h)(1)-(3)	Notification of Compliance Status	Yes	Section 63.5130 specifies the dates for submitting the notification of compliance status.
§63.9(h)(5)-(6)	Clarifications	Yes
§63.9(i)	Adjustment of Submittal Deadlines	Yes
§63.9(j)	Change in Previous Information	Yes
§63.9(k)	Yes	Only as specified in §63.9(j).
§63.10(a)	Recordkeeping/Reporting—Applicability and General Information	Yes
§63.10(b)(1)	General Recordkeeping Requirements	Yes	Additional requirements are specified in §63.5190.
§63.10(b)(2)(i)-(ii)	Recordkeeping of Occurrence and Duration of Startups and Shutdowns and Recordkeeping of Failures to Meet Standards	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5190(a)(5).
§63.10(b)(2)(iii)	Maintenance Records	Yes
§63.10(b)(2)(iv)-(v)	Actions Taken to Minimize Emissions During Startup, Shutdown, and Malfunction	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5190(a)(5).
§63.10(b)(2)(vi)	Recordkeeping for CMS Malfunctions	Yes before August 24, 2020, No on and after August 24, 2020	See §63.5190(a)(5).
§63.10(b)(2)(vii)-(xiv)	Other CMS Requirements	Yes
§63.10(b)(3)	Recordkeeping Requirements for Applicability Determinations	Yes
§63.10(c)	Additional CMS Recordkeeping Requirements	No	See §63.5190(a)(5).
§63.10(d)(1)-(2)	General Reporting Requirements and Report of Performance Test Results	Yes	Additional requirements are specified in §63.5180(e).
§63.10(d)(3)	Reporting Opacity or Visible Emissions Observations	No	Subpart SSSS does not require opacity and visible emissions observations.
§63.10(d)(4)	Progress Reports for Sources with Compliance Extensions	Yes
§63.10(d)(5)	Startup, Shutdown, Malfunction Reports	Yes before August 24, 2020, No on and after August 24, 2020
§63.10(e)	Additional Reporting Requirements for Sources with CMS	No
§63.10(f)	Recordkeeping/Reporting Waiver	Yes
§63.11	Control Device Requirements/Flares	No	Subpart SSSS does not specify use of flares for compliance.
§63.12	State Authority and Delegations	Yes
§63.13(a)	Addresses	Yes before August 24, 2020, No on and after August 24, 2020
§63.13(b)	Submittal to State Agencies	Yes
§63.13(c)	Submittal to State Agencies	Yes before August 24, 2020, No unless the state requires the submittal via CEDRI, on and after August 24, 2020
§63.14	Incorporation by Reference	Yes	Subpart SSSS includes provisions for alternative ASTM and ASME test methods that are incorporated by reference.
§63.15	Availability of Information/Confidentiality	Yes

[85 FR 10868, Feb. 25, 2020; 85 FR 73908, Nov. 19, 2020]

Table 3 to Subpart SSSS of Part 63—List of Hazardous Air Pollutants That Must Be Counted Toward Total Organic HAP Content if Present at 0.1 Percent or More by Mass

If you are required to comply with operating limits by §63.5121, you must comply with the applicable operating limits in the following table:

Chemical name	CAS No.
1,1,2,2-Tetrachloroethane	79-34-5
1,1,2-Trichloroethane	79-00-5
1,1-Dimethylhydrazine	57-14-7
1,2-Dibromo-3-chloropropane	96-12-8
1,2-Diphenylhydrazine	122-66-7
1,3-Butadiene	106-99-0
1,3-Dichloropropene	542-75-6
1,4-Dioxane	123-91-1
2,4,6-Trichlorophenol	88-06-2
2,4/2,6-Dinitrotoluene (mixture)	25321-14-6
2,4-Dinitrotoluene	121-14-2
2,4-Toluene diamine	95-80-7
2-Nitropropane	79-46-9
3,3?-Dichlorobenzidine	91-94-1
3,3?-Dimethoxybenzidine	119-90-4
3,3?-Dimethylbenzidine	119-93-7
4,4?-Methylene bis(2-chloroaniline)	101-14-4
Acetaldehyde	75-07-0
Acrylamide	79-06-1
Acrylonitrile	107-13-1
Allyl chloride	107-05-1
alpha-Hexachlorocyclohexane (a-HCH)	319-84-6
Aniline	62-53-3
Benzene	71-43-2
Benzidine	92-87-5
Benzotrichloride	98-07-7
Benzyl chloride	100-44-7
beta-Hexachlorocyclohexane (b-HCH)	319-85-7
Bis(2-ethylhexyl)phthalate	117-81-7
Bis(chloromethyl)ether	542-88-1
Bromoform	75-25-2
Captan	133-06-2
Carbon tetrachloride	56-23-5
Chlordane	57-74-9
Chlorobenzilate	510-15-6
Chloroform	67-66-3
Chloroprene	126-99-8
Cresols (mixed)	1319-77-3
DDE	3547-04-4
Dichloroethyl ether	111-44-4
Dichlorvos	62-73-7
Epichlorohydrin	106-89-8
Ethyl acrylate	140-88-5
Ethylene dibromide	106-93-4
Ethylene dichloride	107-06-2
Ethylene oxide	75-21-8
Ethylene thiourea	96-45-7
Ethylidene dichloride (1,1-Dichloroethane)	75-34-3
Formaldehyde	50-00-0
Heptachlor	76-44-8
Hexachlorobenzene	118-74-1
Hexachlorobutadiene	87-68-3
Hexachloroethane	67-72-1
Hydrazine	302-01-2
Isophorone	78-59-1
Lindane (hexachlorocyclohexane, all isomers)	58-89-9
m-Cresol	108-39-4
Methylene chloride	75-09-2
Naphthalene	91-20-3
Nitrobenzene	98-95-3
Nitrosodimethylamine	62-75-9
o-Cresol	95-48-7
o-Toluidine	95-53-4
Parathion	56-38-2
p-Cresol	106-44-5
p-Dichlorobenzene	106-46-7
Pentachloronitrobenzene	82-68-8
Pentachlorophenol	87-86-5
Propoxur	114-26-1
Propylene dichloride	78-87-5
Propylene oxide	75-56-9
Quinoline	91-22-5
Tetrachloroethene	127-18-4
Toxaphene	8001-35-2
Trichloroethylene	79-01-6
Trifluralin	1582-09-8
Vinyl bromide	593-60-2
Vinyl chloride	75-01-4
Vinylidene chloride	75-35-4

[85 FR 10870, Feb. 25, 2020]

Source: 67 FR 39812, June 10, 2002, unless otherwise noted.

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Subpart SSSS - National Emission Standards for Hazardous Air Pollutants Surface Coating of Metal Coil

Table 1 to Subpart SSSS of Part 63 - Operating Limits if Using Add-on Control Devices and Capture System

Table 2 to Subpart SSSS of Part 63 - Applicability of General Provisions to Subpart SSSS

Table 3 to Subpart SSSS of Part 63—List of Hazardous Air Pollutants That Must Be Counted Toward Total Organic HAP Content if Present at 0.1 Percent or More by Mass