ENCLOSURE 1

COMMONWEALTH OF VIRGINIA

STATE AIR POLLUTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION

PROVISIONS AFFECTED

REVISION H 10

CONCERNING

AMBIENT AIR QUALITY STANDARD FOR SULFUR D I OXIDE (9VAC5 CHAPTER S 20 AND 30 )

Ad option Date: March 18 , 2011

Effective Date : May 25, 2011

The following table lists the specific provisions of the attached regulations that will be used to implement the State Implementation Plan (SIP). A copy of the actual regulation submitted for ap proval and incorporation by reference into the Virginia SIP is included

in Enclosure 2.

CHAPTER 20 GENERAL PROVISIONS

PART I Administrative

9VAC5

- 20

- 21 Docu ments incorporated by reference (modified)

CHAPTER 30 AMBIENT AIR QUALITY STANDARDS

9VAC5

- 30

- 30 Sulfur oxides (sulfur dioxide) (modified)

TEMPLATES \ SIP

- REG \ REG01

SIP \ NONATTN PLANS \ 20 1 1 \ H 10

- SIP

- 1.DOCCOMMONWEALTH OF VIRGINIA PAGE 1 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

9VAC5 CHAPTER 20.

GENERAL PROVISIONS.

PART I.

Administrative.

9VAC5

- 20

- 21

. Documents incorporated by reference.

A

. The Administrative Process Act and Virginia Register Act provide that state regulations may incorporate documents by r eference. Throughou t these regulations, documents of the types specified below have been incorporated by reference.

1

. United States Code.

2

. Code of Virginia.

3

. Code of Federal Regulations.

4

. Federal Register.

5

. Technical and scientific reference documents

.

Additional information on key federal regulations and nonstatutory documents incorporated by reference and their availability may be found in subsection E of this

section.

B

. Any reference in these regulations to any provision of t he Code of Federal

R egulations (CFR) shall be considered as the adoption by reference of that provision. The specific version of the provision adopted by reference shall be that contained in the CFR (20 10 ) in effect July 1, 2010

. In making reference to the Code of Federal Reg ulations, 40 CFR Part 35 means Part 35 of Title 40 of the Code of Federal Regulations; 40 CFR 35.20 means § 35.20 in Part 35 of Title 40 of the Code of Federal Regulations.

C

. Failure to include in this section any document re ferenced in the regulations shall not invalidate the applicability of the referenced document.

D

. Copies of materials incorporated by reference in this section may be examined by the public at the central office of the Department of Environmental Quality

, Eighth Floor, 629 East Mai n Street, Richmond, Virginia between 8:30 a.m. and 4:30 p.m. of each business day.

E

. Information on federal regulations and nonstatutory documents incorporated by reference and their availability may be found below in this su bsection.COMMONWEALTH OF VIRGINIA PAGE 2 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

1

. Code of Fede ral Regulations.

a

. The provisions specified below from the Code of Federal Regulations (CFR) are incorporated herein by reference.

(1 ) 40 CFR Part 50

- National Primary and Secondary Ambient Air Quality Standards.

(a) Appendix A

- 1

- Referen ce Measurement Principle and Calibration Procedure for the Measurement of Sulfur Dioxide in the Atmosphere (Ultraviolet Fluorescence Method).

(a) Appendix A (b) Appendix A

- 2

- Reference Method for the Determination of Sulfur Dioxide in the Atmospher e (Pararosaniline Method).

(b) (c) Appendix B

- Reference Method for the Determination of Suspended Particulate Matter in the Atmosphere (High

- Volume Method).

(c) (d) Appendix C

- Measurement Principle and

Calibration Procedure for the Continu ous Measurement of Carbon Monoxide in the Atmosphere (Non

- Dispersive Infrared Photometry).

(d) (e) Appendix D

- Measurement Principle and

Calibration Procedure for the Mea surement of Ozone in the Atmosphere.

(e) (f) Appendix E

- Re served

.

(f) (g) Appendix F

- Measurement Principle and Calibration Procedure for the Measurement of Nitrogen Dioxide in the Atmo sphere (Gas Phase Chemiluminescence).

(g) (h) Appendix G

- Reference Method for the Determination of Lead in Suspended Particulat e Matter Collected from Ambient Air.

(h) (i) Appendix H

- Interpretation of the National Ambient Air Quality Standards for Ozone.

(i) ( j ) Appendix I

- Interpretation of the 8

- Hour Primary and Secondary National Ambient Air Quality Standards for Ozone.

(j) (k) Appendix J

- Reference Method for the

Determination of Particulate Matter as PM 10 in the Atmosphere.COMMONWEALTH OF VIRGINIA PAGE 3 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

(k) (l) Appendix K

- Interpretation of the National Ambient Air Quality Standards for Particulate Matte r.

(l) (m) Appendi x L

- Reference Method for the

Determination of Fine Particulate Matter as PM 2.5 in the Atmosphere.

(m) (n) Appendix M

- Reserved.

(n) (o) Appendix N

- Interpretation of the National Ambient Air Quality Standards for PM 2.5

.

(o) (p) Append ix O

- Reference Method for the Determination of Coarse Particulate Matter as PM in the Atmosphere.

(p) (q) Appendix P

- Interpretation of the Primary and Secondary National Ambient Air Quality Standards for Ozone.

(q) (r) Appendix Q

- Referenc e Method for the Determination of Lead in Suspended Particulate Matter as PM 10 Collected f rom
Ambient Air.

(r) (s) Appendix R

- Interpretation of the National Ambient Air Quality Standards for Lead.

(s) (t) Appendix S

- Interpretation of the Pr imary National Ambient Air Quality Standards for Oxides of Nitrogen (Nitrogen Dioxide).

(u) Appendix T

- Interpretation of the Primary National Ambient Air Quality Standards for Oxides of Sulfur (Sulfur Dioxide).

(2 ) 40 CFR Part 51

- Requiremen ts for Preparation, Adoption, and Submittal of Implementation Plans.

(a) Appendix M

- Recommended Test Methods for State Implementation Plans.

(b) Appendix S

- Emission Offset Interpretive Ruling.

(c) Appendix W

- Guideline on Air Quality Models (Revised). (d) Appendix Y

- Guidelines for BART Determinations Under the Regional Haze Rule.COMMONWEALTH OF VIRGINIA PAGE 4 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

(3 ) 40 CFR Part 55

-- Outer Continental Shelf Air Regulations.

(4) 40 CFR Part 58

- Ambient Air Quality Surveillance.

Appendix A

- Quality Assurance Requirements for SLAMS, SPMs and PSD Air Monitoring.

( 5 ) 40 CFR Part 59

- National Volatile Organic Compound

Emission Standards for Consumer and Commercial Products

.

(a) Subpart C

- National Volatile Organic Compound

Emission Standard s for Consumer Products

.

(b) Subpa rt D

- National Volatile Organic Compound Emission Standards for Architectural Coatings, Appendix A

-- Determination of Volatile Matter Content of Methacrylate Multicomponent Coatings Us ed as Traffic Marking Coatings.

( 6) 40 CFR Part 60

- Standard s of Performance for New Stationary Sources.

The specific provisions of 40 CFR Part 60 incorporated by refe rence are found in Article 5 (9 VAC5

- 50

- 400 et seq.) of Part II of

9 VAC5

- 50 (New and Modified Sources)

.

( 7 ) 40 CFR Part 61

- National Emission Standards for

Hazardous Air Pollutants.

The specific provisions of 40 CFR Part 61 incorporated by reference are found in Article 1 (9VAC5

- 60

- 60 et seq.) of Part II of

9VAC5

- 60 (Hazardous Air Pollutant Sources)

.

(8 ) 40 CFR Part 63

- National Emission Standards for Hazardous Air Pollutants for Source Categories.

The specific provisions of 40 CFR Par t 63 incorporated by reference are found in Article 2 (9VAC5

- 60

- 90 et seq.) of Part II of

9VAC5

- 60 (Hazardou s Air Pollutant Sources)

.

( 9 ) 40 CFR Part 64, Compliance Assu rance Monitoring.

(10 ) 40 CFR Part 72, Permits Regulation.COMMONWEALTH OF VIRGINIA PAGE 5 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

(11 ) 40 CFR Part 73, Sulfur Dioxide Allowance System.

(12 ) 40 CFR Part 74, Sulfur Dioxide Opt

- Ins.

(1 3 ) 40 CFR Part 75, Continuous Emission Monitoring.

(14 ) 40 CFR Part 76, Acid Rain Nitrogen Oxides Emission Reduction Program.

(15 ) 40 CFR Part 77, Excess Emissions.

(16 ) 40 CFR Part 78, Appeal Procedures for Acid Rain Program.

(17) 40 CFR Part 15 2, Subpart I, C lassification of Pesticides.

(18) 49 CFR Part 172, Hazardous Materials Table. Special Provisions, Hazardous Materials Communications, Emergency Response Information, and Training Requirements, Subpart E, Labeling.

(19) 29 CFR Part 1926, Subpart F, Fire Protection and

Prevention.

b

. Copies may be obtained from: Superintendent of Documents, P.O. Box 371954, Pittsburgh, Pennsylvania 15250

- 7954; phone (202) 783

- 3238.

2

. U.S. Environmental Protection Agency.

a

. The following d ocuments from the U.S. Environme ntal Protection Agency are incorporated herein by reference:

(1 ) Reich Test, Atmospheric Emissions from Sulfuric Acid Manufacturing Processes, Public Health Service Publication No. PB82250721, 1980.

(2 ) Compilation of Air Pollutant Emission Facto rs (AP

- 42). Volume I: Stationary and Area Sources, stock number 055

- 000

- 00500

- 1, 1995; Supplement A, stock number 055

- 000

- 00551

- 6, 1996; Supplement B, stock number

055

- 000

- 00565, 1997; Supplement C, stock number 055

- 000

- 0058 7

- 7, 1997; Supplement D, 1998; Supplement E, 1999.

(3) "Guidelines for Determining Capture Efficiency " (GD

- 35), Emissions Monitoring and Analysis Division, Office of Air Quality Planning and Standards, January 9, 1995.COMMONWEALTH OF VIRGINIA PAGE 6 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

b. Copies of the document identified in subdivision E 2 a (1) of this subdivision, and Volume I and Supplements A through C of the document identified in

subdivision E 2 a (2) of this subdivision, may be obtained from: U.S. Department of Commerce, National Technical Information Se rvice, 5285 Port Royal Road, Springfield, Virginia 22161; phone 1

- 800

- 553

- 6847. Copies of Suppleme nts D and E of the

document identified in subdivision E 2 a (2) of this subdivision may be obtained online from EPA's Technology Transfer Network at http://ww w.epa.gov/ttn/index

. html

. Copies of the document identified in subdivision E 2 a (3) of this subdivision are only available online from EPA's Technology Transfer Network at http://www.epa.gov/ttn/emc/guidlnd.html.

3

. U.S. government.

a

. The followin g document from the U.S. government is incorporated herein by reference: Standard Industria l Classification Manual, 1987 (U.S. Government Printing Office stock number 041

- 001

- 00

- 314

- 2).

b

. Copies may be obtained from: Superintendent of Documents,

P.O. Box 371954, Pittsburgh, Pennsylvania 15250

- 7954; phone (202) 512

- 1800.

4

. American Socie ty for Testing and Materials (ASTM)

.

a

. The documents specified below from the American Society for Testing and Materials are incorporated herein by reference.

(1 ) D323

- 99a, "Standard Test Method for Vapor Pressure of Petroleum Products (Reid Metho d)."

(2 ) D97

- 96a, "Standard Test Method for Pour Point of

Petroleum Products."

(3 ) D129

- 00, "Standard Test Method for Sulfur in Petroleum Products (General Bomb Method)."

(4 ) D388

- 99, "Standard Classification of Coals by Rank."

(5 ) D396

- 98, "Standard Specification for Fuel Oils."

(6 ) D975

- 98b, "Standard Specification for Diesel Fuel Oils."

(7 ) D1072

- 90(1999), "Standard Test Method for Tot al Sulfur

in Fuel Gases.”

(8 ) D1265

- 97, "Standard Practice for Sampling LiquefiedCOMMONWEALTH OF VIRGINIA PAGE 7 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

Petr oleum (LP) Gases (Manual Method)."

(9 ) D2622

- 98, "Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X

- Ray Fluorescence Spectrometry ."

(10 ) D4057

- 95(2000), "Standard Practice for Manual Sampling of Petroleum and Petrol eum Products."

(11 ) D4294

- 98, "Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy

- Dispersive X

- Ray Fluorescence Spectroscopy."

( 12 ) D523

- 89, “Standard Test Method for Specular Gloss” (1999).

(13 ) D1613

- 02, “Standar d Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint, Varnish, Lacquer and Related Products” (2002).

(14 ) D1640

- 95, “Standard Test Method s for Drying, Curing, or Film Formation of Organic Coatings at Room Temperature” (1999).

(15 ) E119

- 00a, “Standard Test Method s for Fire Tests of Building Construction Materials” (2000).

(16 ) E84

- 01, “Standard Test Method for Surface B urning Characteristics of Building Construction Materials” (2001).

(17 ) D4214

- 98, “Stand ard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films (1998).

(18 ) D86

- 0 4b , “Standard Test Method for Distillation of

Petroleum Produ cts at Atmospheric Pressure” (200 4 ).

(19 ) D4359

- 90, “Standard Test Method for Determining Whether a Material is a Liquid or a Solid” (reapproved 2000).

(20 ) E260

- 96, “Standard Practice for Packed Column Gas Chromatography” (reapproved 2001).

(21) D 3912

- 95, "Standard Test Method for Chemical Resistance of Coatings Used in Light

- Water Nuclear Power Plants" (reapproved 2001).

(22) D4082

- 02, "Standard Test Method for Effects ofCOMMONWEALTH OF VIRGINIA PAGE 8 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

Gamma Radiation on Coatings for Use in Light

- Water Nuclear Power Plants

. "

(23) F852

- 99, "Standard Specification for Portable Gasoline Containers for Consumer Use" (reapproved 2006).

(24) F976

- 02, "Standard Specification for Portable Kerosine

and Diesel Containers for Consumer Use."

( 25) D4457

- 02, "Standa rd Test Method for Determination of
Dichloromethane and 1,1,1

- Trichloroethane in Paints and Coatings by Direct Injection into a Gas Chromatograph" (reapproved 2008).

(26) D3792

- 05, "Standard Test Method for Water Content of Coatings by Direct Injectio n Into a Gas Chromatograph."

(27) D2879

- 97, "Standard Test Method for Vapor Pressure

Temperature Relationship and Initial Decomposition Temperature of Liquids by Isoteniscope " (reapproved 2007).

b

. Copies may be obtained from: American Society for Testing
Materials, 100 Barr Harbor Drive, West Conshohocken, Pennsylvania 19428

- 2959; phone (610) 832

- 9585.

5

. American Petroleum Institute (API)

.

a

. The following document from the American Petroleum Institute is incorporated herein by reference: E vaporative Loss from Floating Roof Tanks, API MPMS Chapter 19, April 1, 1997.

b

. Copies may be obtained from: American Petroleum Institute, 1220 L Street, Northwest, Washington, D.C. 20005; phone (202) 682

- 8000.

6

. American Conference of Governmenta l Industrial Hygienists (ACGIH)

a

. The following document from the ACGIH is incorporated herein by reference: 1991

- 1992 Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices (ACGIH Handbook).

b

. Copies m ay be obtained from: ACGIH, 1330 Kemper Me adow Drive, Suite 600, Cincinnati, Ohio 45240; phone (513) 742

- 2020.

7

. National Fire Prevention Association (NFPA)

.

a

. The documents specified below from the National FireCOMMONWEALTH OF VIRGINIA PAGE 9 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

Prevention Association are incorpor ated herein by reference.

(1 ) NFPA 38 5, Standard for Tank Vehicles for Flammable and Combustible Liquids, 2000 Edition.

(2 ) NFPA 30, Flammable and Combustible Liquids Code,

2000 Edition.

(3 ) NFPA 30A, Code for Motor Fuel Dispensing Facilitie s and Repair Garages, 2000 Edition.

b

. Copies may be obtained from the National Fire Prevention Association, One Batterymarch Park, P.O. Box 9101, Quincy, Massachusetts 02269

- 9101; phone (617) 770

- 3000.

8

. American Society of Mechanical Engineers (A SME).

a

. The documents specified below from the American Society of Mechanical Engineers are incorporated herein by reference.

(1 ) ASME Power Test Codes: Test Code for Steam Generating Units, Power Test Code 4.1

-- 1964 (R1991).

(2 ) ASME Interi m Supplement 19.5 on Instruments and Appar atus: Application, Part II of Fluid Meters, 6th edition (1971).

(3 ) Standard for the Qualification and Certification of Resource Recovery Facility Operators, ASME QRO

- 1

- 1994.

b

. Copies may be obtained from the American Society of Mechanical Engine ers, Three Park Avenue, New York, New York, 10016; phone (800)

843

- 2763.

9

. American Hospital Association (AHA)

.

a

. The following document from the American Hospital Association is incorporated herein by refe rence: An Ounce of Prevention: Waste Reduc tion Strategies for Health Care Facilities, AHA Catalog no. W5

- 057007, 1993.

b

. Copies may be obtained from: American Hospital Association, One North Franklin, Chicago, IL 60606; phone (800) 242

- 2626.

10

. Ba y Area Air Quality Management District (BA AQMD)

.COMMONWEALTH OF VIRGINIA PAGE 10 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

a

. The following documents from the Bay Area Air Quality Management District are incorporated herein by reference:

(1 ) Method 41, “Determination of Volatile Organic Compounds in Solvent

- Based Coating s and Related Materials Containing

Parachl orobenzotrifluoride” (December 20, 1995).

(2 ) Method 43, “Determination of Volatile Methylsiloxanes in

Solvent

- Based Coatings, Inks, and Related Materials” (November 6, 1996).

b

. Copies may be obtained fro m: Bay Area Air Quality Management

Distric t, 939 Ellis Street, San Francisco, CA 94109, phone (415) 771

- 6000.

11

. South Coast Air Quality Management District (SCAQMD)

.

a

. The following documents from the South Coast Air Quality Management District ar e incorporated herein by reference:

( 1 ) Method 303

- 91, “Determination of Exempt Compounds,” in Manual SSMLLABM, “Laboratory Methods of Analysis for Enforcement Samples” (1996).

(2 ) Method 318

- 95, “Determination of Weight Percent

Elemental Metal i n Coatings by X

- Ray Diffraction,” in Manua l SSMLLABM, “Laboratory Methods of Analysis for Enforcement Samples” (1996).

(3 ) Rule 1174 Ignition Method Compliance Certification Protocol (February 28, 1991).

(4) Method 304

- 91 , "Determination of Volat ile Organic Compounds (VOC) in Various Materials," in Manual SSMLLABM , "Laboratory Methods of Analysis for Enforcement Samples" (1996).

(5) Method 316A

- 92 , "Determination of Volatile Organic Compounds (VOC) in Materials Used for Pipes and Fittings" in Manual SSMLLABM

, "Laboratory Methods of Analysis for Enforcement Samples" (1996).

(6) "General Test Method for Determining Solvent Losses from Spray Gun Cleaning Systems," October 3, 1989.

b

. Copies may be obtained from: South Coast Air Quality

M anagement District, 21865 E. Copley Drive, Diamond Bar, CA 91765, phone (909)

396

- 2000.COMMONWEALTH OF VIRGINIA PAGE 11 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

12

. California Air Resources Board (CARB)

.

a

. The following documents from the California Air Resources Board are incorporated herein by reference:

(1 ) Test Method 510, “Automatic Shut

- Off Test Procedure

f or Spill

- Proof Systems and Spill

- Proof Spouts” (July 6, 2000).

(2 ) Test Method 511, “Au tomatic Closure Test Procedure f or Spill

- Proof Systems and Spill

- Proof Spouts” (July 6, 2000).

(3) Method 100, "Procedures for Continuous Gaseous Emission Stack Sampling" (July 28, 1997).

(4) Test Method 513, "Determination of Permeation Rate for Spill

- Proof Systems" (July 6, 2000).

(5) Method 310, "Determination of Volati le Organic Compounds (VOC) in Con sumer Products and Reactive Organic Compounds in Aerosol Coating Products (Including Appendices A and B)" (May 5, 2005).

(6 ) California Code of Regulations, Title 17, Division 3, Chapter 1, Subchapter 8.5, Article 1, § 94503.5 (2003).

(7 ) Cal ifor nia Code of Regulations, Title 17, Division 3, Chapter 1, Subchapter 8.5, Article 2, §§ 94509 and 94511 (2003).

(8 ) California Code of Regulations, Title 17, Division 3, Chapter 1, Subchapter 8.5, Article 4, §§ 94540

- 94555 (2003).

(9) " Certificat ion Procedure 501 for Portable Fuel Containers and Spill

- Proof Spouts, CP

- 501" (July 26, 2006).

(10) "Test Procedure for Determining Integrity of Spill

- Proof Spouts and Spill

- Proof Systems, TP

- 501" (July 26, 2006).

(11) "Test Procedure for Determ ining Diurnal Emissions from Portable Fuel Containers, TP

- 502" (July 26, 2006).

b

. Copies ma y be obtained from: California Air Resources Board, P.O. Box 2815, Sacramento, CA 95812, phone (906) 322

- 3260 or (906) 322

- 2990.

13

. American Architectural M anufacturers Association

.COMMONWEALTH OF VIRGINIA PAGE 12 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

a

. The following documents from the American Architectural

Manufact urers Association are incorporated herein by reference:

(1 ) Voluntary Specification 2604

- 02, "Performance Requirements and Test Procedures for High Perform ance Organic Coatings on Aluminum Extrusions and Panels" (2002).

(2 ) Voluntary Specificati on 2605

- 02, "Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Aluminum Extrusions and Panels" (2002).

b

. Copies may b e obtained from: American Architectural Manufacturers Association, 1827 Walden Office Square, S uite 550, Schaumburg, IL 60173, phone (847) 303

- 5664.

14

. American Furniture Manufacturers Association

.

a

. The following document from the American Furnitu re Manufacturers Association is incorporated herein by reference: Joint Industry Fabrics

Standa rds Committee, Woven and Knit Residential Upholstery Fabric Standards and Guidelines (January 2001).

b

. Copies may be obtained from: American Furniture

Manuf acturers Association, P.O. Box HP

- 7, High Point, NC 27261; phone (336) 884

- 5000.

9 VAC5 CHAPTER 30.

AMBIENT AIR QUALITY STANDARDS.

9VAC5

- 30

- 30. Sulfur oxides (sulfur dioxide).

A. The primary ambient air quality standards are as follows:

1. The annual ambient air quality standard is 80 micrograms per cubic meter (0.030 parts per million)

-- annual arithmetic mean not to be exceeded in a calendar year. The annual arithmetic mean shall be rounded to three decimal places (fractional parts equal to or grea ter than 0.0005 ppm shall be rounded up).

2. The 24

- hour ambient air qual i t y standard is 365 micrograms per cubic meter (0.14 parts per million)

-- maximum 24

- hour concentration not to be exceeded more than once per calendar year. The 24

- hour averages shall be determined from successive nonoverlapping 24

- hour blocks starting at midnight each calendar day and shall be rounded to two decimal places (fractional parts equal to or greater than 0.005 ppm shall be rounded up).COMMONWEALTH OF VIRGINIA PAGE 13 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

3. The 1

- hour annual ambient air quality standard is 75 parts per billion (ppb), measured in the ambient air as sulfur dioxide (S O 2 ). The 1

- hour primary standard

is met when the three

- year average of the annual (99th percentile) of the daily

maximum 1

- hour average concentrations is le ss than or equal to 75 ppb, as determined

in accordance with Appendix T of 40 CFR Part 50

.

4. The annual and 24

- hour ambient air quality standards set forth in

subdivisions 1 and 2 of this subsection sha ll no longer apply to an area one year after

the effective date of designation of that area pursuant to § 107 of the federal Clean Air

Act for the 1

- hour annual ambient air quality standard set forth in subdivision 3 of this

subsection.

B. The secondary ambient air quality standard is 1,300 micrograms per cubic meter (0.50 parts per million)

-- maximum three

- hour concentration not to be exceeded more than once per calendar year. The 3

- hour averages shall be determined from successive nonoverlapping 3

- hour blocks starting at midnight each calendar day a nd

shall be rounded to one decimal place (fractional parts equal to or greater than 0.05 ppm shall be rounded up).

C. Sulfur dioxide shall be measured by the reference method described in Appendix A A

- 1 or A

- 2 of 40 CFR Part 50, or other method designate d as such, or by an equivalent method.

D. To demonstrate attainment of the annual and 24

- hour primary standard

standards set forth in subdivisions A 1 and 2 of this section , the annual arithmetic mean

and the second

- highest 24

- hour averages must be base d upon hourly data that are at

least 75 % complete in each calendar quarter. A 24

- hour block average shall be

considered valid if at least 75 % of the hourly averages for the 24

- hour period are available. In the event that only 18, 19, 20, 21, 22, or 23 hour ly averages are available,

the 24

- hour block average shall be computed as the sum of the available hourly averages using 18, 19, and so on as the divisor. If fewer than 18 hourly averages are
available, but the 24

- hour average would exceed the level of the standard when zeros are substituted for the missing values, subject to the rounding rule of subdivision A 2 of
this section, then this shall be considered a valid 24

- hour average. In this case, the 24

- hour block average shall be computed as the sum of the available hourly averages divided by 24. Data used for demonstrating attainment of the 1

- hour annual primary

standard set forth in subdivision A 3 of this section shall meet the requirements of Appendix T of 40 CFR Part 50

.

E. To demonstrate attainment of the secondary standard, the second

- highest 3

- hour average must be based upon hourly data that are at least 75 % complete in each calendar quarter. A 3

- hour block average shall be considered valid only if all three hourly averages for the 3

- hour period a re available. If only one or two hourly averagesCOMMONWEALTH OF VIRGINIA PAGE 14 of 14

STATE AIR POLL UTION CONTROL BOARD

REGULATIONS FOR THE CONTROL AND ABATEMENT OF AIR POLLUTION (9VAC5

- 20 AND 30 )

are available, but the 3

- hour average would exceed the level of the standard when zeros are substituted for the missing values, subject to the rounding rule of subsection B of this section, then this shall b e considered a valid 3

- hour average. In all cases, the

3

- hour block average shall be computed as the sum of the hourly averages divided by

three

.

REG \ DEV\ H 10

- REG

- FIN