1

U.S. Environmental Protection Agency

EPA420-B-03-002

March 2003

Guide on Federal and State Summer RVP Standards

for Conventional Gasoline Only

This guide is intended for quick reference purposes only. Federal volatility regulations (40 CFR 80.27) apply to

“designated volatility nonattainment areas” and to “designated volatility attainment areas,” as defined in 40 CFR

80.2(cc) and 80.2(dd), respectively. For this quick reference guide, we have listed RVP limits by county,

which may not coincide precisely with the borders of a nonattainment or attainment area. We have not listed

RVP limits which may apply through voluntary agreements for supply of lower RVP fuel than what is otherwise

required for an area. For a brief description of the federal fuel volatility regulations, see the last page of this

guide. For specific information regarding borders, please consult your respective EPA regional office.

State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

AL Jefferson Birmingham 9.0 7.0** 7.0 7.0 7.0

AL Shelby 9.0 7.0** 7.0 7.0 7.0

AL All Others 9.0 9.0 9.0 9.0 9.0

AR All counties 9.0 9.0 9.0 9.0 9.0

AZ Maricopa (part) Phoenix 9.0 7.0** 7.0 7.0 7.0

(Sept. 30)

AZ All others 9.0 9.0 9.0 9.0 9.0

CA (See EPA RFG list)***

CO 6-County CMSA (See

‘Notes’ for county names

and status of proposed

change of 7.8 psi

standard to 9.0 psi)

Denver/Boulder 9.0

7.8 7.8 7.8 7.8

CO All others 9.0 9.0 9.0 9.0 9.0

CT (See EPA RFG list)***

DC (See EPA RFG list)***

DE (See EPA RFG list)***

FL Broward 9.0 7.8 7.8 7.8 7.8
State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

2

FL Dade Miami 9.0 7.8 7.8 7.8 7.8

FL Duval 9.0 7.8 7.8 7.8 7.8

FL Hillsborough 9.0 7.8 7.8 7.8 7.8

FL Palm Beach 9.0 7.8 7.8 7.8 7.8

FL Pinellas 9.0 7.8 7.8 7.8 7.8

FL All others 9.0 9.0 9.0 9.0 9.0

GA See ‘Notes’ for list of 45

counties affected

Atlanta area 9.0 7.0** 7.0 7.0 7.0

GA All others 9.0 9.0 9.0 9.0 9.0

ID All counties 9.0 9.0 9.0 9.0 9.0

IL Madison E. St. Louis 9.0 7.2** 7.2 7.2 7.2

IL Monroe 9.0 7.2** 7.2 7.2 7.2

IL St. Clair 9.0 7.2** 7.2 7.2 7.2

IL All other conventional

gasoline counties

9.0 9.0 9.0 9.0 9.0

IL (See EPA RFG list)***

IN Clark 9.0 7.8** 7.8 7.8 7.8

IN Floyd 9.0 7.8** 7.8 7.8 7.8

IN All other conventional

gasoline counties

9.0 9.0 9.0 9.0 9.0

IN (See EPA RFG list)***

IA All counties 9.0 9.0 9.0 9.0 9.0

KS Johnson Kansas City 9.0 7.0** 7.0 7.0 7.0

KS Wyandotte 9.0 7.0** 7.0 7.0 7.0

KS All others 9.0 9.0 9.0 9.0 9.0

KY All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

KY (See EPA RFG list)***

LA Ascension 9.0 7.8 7.8 7.8 7.8

LA Beauregard 9.0 7.8 7.8 7.8 7.8
State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

3

LA Calcasieu 9.0 7.8 7.8 7.8 7.8

LA E Baton Rouge 9.0 7.8 7.8 7.8 7.8

LA Grant 9.0 7.8 7.8 7.8 7.8

LA Iberville 9.0 7.8 7.8 7.8 7.8

LA Jefferson 9.0 7.8 7.8 7.8 7.8

LA Lafayette 9.0 7.8 7.8 7.8 7.8

LA Lafourche 9.0 7.8 7.8 7.8 7.8

LA Livingston 9.0 7.8 7.8 7.8 7.8

LA Orleans New Orleans 9.0 7.8 7.8 7.8 7.8

LA Point Coupee 9.0 7.8 7.8 7.8 7.8

LA St Bernard 9.0 7.8 7.8 7.8 7.8

LA St Charles 9.0 7.8 7.8 7.8 7.8

LA St James 9.0 7.8 7.8 7.8 7.8

LA St Mary 9.0 7.8 7.8 7.8 7.8

LA W Baton Rouge 9.0 7.8 7.8 7.8 7.8

LA All others 9.0 9.0 9.0 9.0 9.0

MA (See EPA RFG list)***

MD All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

MD (See EPA RFG list)***

ME Androscoggin 7.8** 7.8 7.8 7.8 7.8

ME Cumberland Portland 7.8** 7.8 7.8 7.8 7.8

ME Kennebec Augusta 7.8** 7.8 7.8 7.8 7.8

ME Knox 7.8** 7.8 7.8 7.8 7.8

ME Lincoln 7.8** 7.8 7.8 7.8 7.8

ME Sagadahoc 7.8** 7.8 7.8 7.8 7.8

ME York 7.8** 7.8 7.8 7.8 7.8

ME All others 9.0 9.0 9.0 9.0 9.0

MI Livingston 9.0 7.8** 7.8 7.8 7.8

MI Macomb 9.0 7.8** 7.8 7.8 7.8

MI Monroe 9.0 7.8** 7.8 7.8 7.8
State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

4

MI Oakland 9.0 7.8** 7.8 7.8 7.8

MI St. Clair 9.0 7.8** 7.8 7.8 7.8

MI Washtenaw Ann Arbor 9.0 7.8** 7.8 7.8 7.8

MI Wayne Detroit 9.0 7.8** 7.8 7.8 7.8

MI All others 9.0 9.0 9.0 9.0 9.0

MN All counties 9.0 9.0 9.0 9.0 9.0

MT All counties 9.0 9.0 9.0 9.0 9.0

MO (See EPA RFG list)***

MO Clay Kansas City 9.0 7.0** 7.0 7.0 7.0

MO Jackson 9.0 7.0** 7.0 7.0 7.0

MO Platte 9.0 7.0** 7.0 7.0 7.0

MO All other conventional

gasoline counties

9.0 9.0 9.0 9.0 9.0

MS All counties 9.0 9.0 9.0 9.0 9.0

NC Davidson 9.0 7.8 7.8 7.8 7.8

NC Davie (part) 9.0 7.8 7.8 7.8 7.8

NC Durham 9.0 7.8 7.8 7.8 7.8

NC Forsyth 9.0 7.8 7.8 7.8 7.8

NC Gaston 9.0 7.8 7.8 7.8 7.8

NC Granville (part) 9.0 7.8 7.8 7.8 7.8

NC Guilford 9.0 7.8 7.8 7.8 7.8

NC Mecklenburgh Charlotte 9.0 7.8 7.8 7.8 7.8

NC Wake Raleigh 9.0 7.8 7.8 7.8 7.8

NC All others 9.0 9.0 9.0 9.0 9.0

NE All counties 9.0 9.0 9.0 9.0 9.0

NH All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

NH (See EPA RFG list)***

NJ (See EPA RFG list)***

NM All counties 9.0 9.0 9.0 9.0 9.0

ND All counties 9.0 9.0 9.0 9.0 9.0
State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

5

NV Washoe Reno 9.0 7.8 7.8 7.8 7.8

NV All others 9.0 9.0 9.0 9.0 9.0

NY All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

NY (See EPA RFG list)***

OH All counties 9.0 9.0 9.0 9.0 9.0

OK All counties 9.0 9.0 9.0 9.0 9.0

OR Clackamas 9.0 7.8 7.8 7.8 7.8

OR Multnomah Portland 9.0 7.8 7.8 7.8 7.8

OR Washington 9.0 7.8 7.8 7.8 7.8

OR Marion (part) Salem 9.0 7.8 7.8 7.8 7.8

OR Polk (part) 9.0 7.8 7.8 7.8 7.8

OR All others 9.0 9.0 9.0 9.0 9.0

PA Allegheny Pittsburgh 9.0 7.8** 7.8 7.8 7.8

PA Armstrong 9.0 7.8** 7.8 7.8 7.8

PA Beaver 9.0 7.8** 7.8 7.8 7.8

PA Butler 9.0 7.8** 7.8 7.8 7.8

PA Fayette 9.0 7.8** 7.8 7.8 7.8

PA Washington 9.0 7.8** 7.8 7.8 7.8

PA Westmoreland 9.0 7.8** 7.8 7.8 7.8

PA All other conventional

gasoline counties

9.0 9.0 9.0 9.0 9.0

PA (See EPA RFG list)***

RI (See EPA RFG list)***

SC All counties 9.0 9.0 9.0 9.0 9.0

SD All counties 9.0 9.0 9.0 9.0 9.0

TN Davidson Nashville 9.0 7.8 7.8 7.8 7.8

TN Rutherford 9.0 7.8 7.8 7.8 7.8

TN Shelby Memphis 9.0 7.8 7.8 7.8 7.8

TN Sumner 9.0 7.8 7.8 7.8 7.8

TN Williamson 9.0 7.8 7.8 7.8 7.8
State County/

Parish City

Month & RVP PSI Max

May June July Aug Sept

1-15

6

TN Wilson 9.0 7.8 7.8 7.8 7.8

TN All others 9.0 9.0 9.0 9.0 9.0

TX Eastern Texas (see

‘Notes’ section for 95

counties affected)

7.8** 7.8 7.8 7.8 7.8 (Oct 1)

TX El Paso El Paso 9.0 7.0** 7.0 7.0 7.0

TX Hardin 9.0 7.8 7.8 7.8 7.8

TX Jefferson 9.0 7.8 7.8 7.8 7.8

TX Orange 9.0 7.8 7.8 7.8 7.8

TX All other conventional

gasoline counties

9.0 9.0 9.0 9.0 9.0

TX (See EPA RFG List)***

UT Davis 9.0 7.8 7.8 7.8 7.8

UT Salt Lake Salt Lake City 9.0 7.8 7.8 7.8 7.8

UT All others 9.0 9.0 9.0 9.0 9.0

VA All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

VA (See EPA RFG List)***

VT All counties 9.0 9.0 9.0 9.0 9.0

WA All counties 9.0 9.0 9.0 9.0 9.0

WV All counties 9.0 9.0 9.0 9.0 9.0

WI All conventional gasoline

counties

9.0 9.0 9.0 9.0 9.0

WI (See EPA RFG List)***

WY All counties 9.0 9.0 9.0 9.0 9.0

Notes to Federal and State RVP Standards

* Indicates change or proposed change in federal standard not yet federally approved.

** State run program with federally-approved State Implementation Plan (SIP).

*** Indicates there are counties or areas in counties in the state which have reformulated gasoline (RFG)

requirements. See EPA's "List of Federal Reformulated Gasoline Program Areas," January, 2002. RFG

areas must meet a VOC emissions performance reduction standard per 40 CFR 80.4l.
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Denver/Boulder: The applicable federal volatility standard from June 1 to September 15 is 7.8 psi. 

EPA has proposed changing this to 9.0 psi, and is preparing a final rule responding to the comment received on

this proposal. We expect the final rule to be issued and effective beginning with the 2003 ozone season. 

CMSA counties include: Adams (partial), Arapahoe (partial), Boulder (partial), Denver, Douglas, and

Jefferson.

Atlanta area counties include: Banks, Barrow, Bartow, Butts, Carroll, Chattooga, Cherokee,

Clarke, Clayton, Cobb, Coweta, Dawson, DeKalb, Douglas, Fayette, Floyd, Forsyth, Fulton, Gordon,

Gwinnett, Hall, Haralson, Heard, Henry, Jackson, Jasper, Jones, Lamar, Lumpkin, Madison, Meriwether,

Monroe, Morgan, Newton, Oconee, Paulding, Pickens, Pike, Polk, Putnam, Rockdale, Spalding, Troup,

Upson, and Walton.

Eastern Texas Counties include: Anderson, Angelina, Aransas, Atascosa, Austin, Bastrop, Bee,

Bell, Bexar, Bosque, Bowie, Brazos, Burleson, Caldwell, Calhoun, Camp, Cass, Cherokee, Colorado, Comal,

Cooke, Coryell, De Witt, Delta, Ellis, Falls, Fannin, Fayette, Franklin, Freestone, Goliad, Gonzales, Grayson,

Gregg, Grimes, Guadalupe, Harrison, Hays, Henderson, Hill, Hood, Hopkins, Houston, Hunt, Jackson, Jasper,

Johnson, Karnes, Kaufman, Lamar, Lavaca, Lee, Leon, Limestone, Live Oak, Madison, Marion, Matagorda,

McLennan, Milam, Morris, Nacogdoches, Navarro, Newton, Nueces, Panola, Parker, Polk, Rains, Red

River, Refugio, Robertson, Rockwall, Rusk, Sabine, San Jacinto, San Patricio, San Augustine, Shelby, Smith,

Somervell, Titus, Travis, Trinity, Tyler, Upshur, VanZandt, Victoria, Walker, Washington, Wharton,

Williamson, Wilson, Wise, and Wood.

Federal Fuel Volatility Regulations at 40 CFR 80.27:

Standards for May are maximum standards for all regulated parties except retailers and wholesale

purchaser-consumers.

Standards for June l to September 15 are maximum standards for all regulated parties including retailers

and wholesale purchaser-consumers.

Gasoline alcohol blends meeting 80.27(d) have l.0 psi waiver of applicable federal RVP standard.

Alaska, Hawaii, and U. S. territories are exempted from federal volatility regulations.