National Ambient Air Quality Standards for Sulfur Oxides (Sulfur Dioxide)Reproposal

ENVIRONMENTAL PROTECTION AGENCY

40 CFR Parts 50 and 53

[AD-FRL-5130-8]

National Ambient Air Quality Standards for Sulfur Oxides (Sulfur

Dioxide)--Reproposal

AGENCY: U.S. Environmental Protection Agency (U.S. EPA).

ACTION: Extension of public comment period and announcement of public

hearing.

SUMMARY: The EPA is announcing: the extension of the public comment

period on the proposed rule for the national ambient air quality

standards (NAAQS) for sulfur oxides (sulfur dioxide) and associated

changes to the requirements for Ambient Air Monitoring Reference and

Equivalent Methods that were published on November 15, 1994 (59 FR

58958), and the public hearing on these proposals.

DATES: Written comments must be received on or before March 15, 1995,

and a public hearing on the proposed rule will be held on February 8,

1995, beginning at 9:00 a.m.

ADDRESSES: Submit written comments on the proposed action on the NAAQS

(40 CFR part 50) (duplicate copies preferred) to Air and Radiation

Docket Information Center (6102), Room M-1500, U.S. Environmental

Protection Agency, Attn: Docket No. A-84-25, 401 M Street, SW,

Washington, DC 20460. Comments on the proposed revisions to the Ambient

Air Monitoring Reference and Equivalent Methods (40 CFR part 53) should

be separated from those pertaining to the standards and sent to the

same address, Attn: Docket No. A-94-42. These dockets, containing

supporting information used in developing the proposed rule, are

located in the Air and Radiation Docket Information Center of the U.S.

Environmental Protection Agency, South Conference Center, Room M-1500,

401 M Street, SW, Washington, DC 20460. The dockets may be inspected

between 8:30 a.m. and 3:30 p.m. on weekdays, and a reasonable fee may

be charged for copying.

The public hearing will be held at the U.S. Environmental

Protection Agency's Environmental Research Center Auditorium, 86 T.W.

Alexander Drive, Research Triangle Park, NC 27711.

FOR FURTHER INFORMATION CONTACT:

Part 50 Notice--Ms. Susan Lyon Stone, Air Quality Strategies and

Standards Division (MD-15), U.S. Environmental Protection Agency,

Research Triangle Park, NC 27711, telephone (919) 541-1146. Part 53

Notice--Mr. Frank McElroy, Atmospheric Research and Exposure Assessment

Laboratory (MD-77), U.S. Environmental Protection Agency, Research

Triangle Park, NC 27711, telephone (919) 541-2622.

SUPPLEMENTARY INFORMATION: In order to allow sufficient time to review

the Proposed Requirements for Implementation Plans and Ambient Air

Quality Surveillance for SO2 National Ambient Air Quality

Standards (40 CFR parts 51 and 58) before submitting comment on the

National Ambient Air Quality Standards for Sulfur Oxides (Sulfur

Oxides)--Reproposal (40 CFR parts 50 and 53), the EPA is extending the

public comment period on the 40 CFR parts 50 and 53 proposals from

February 13, 1995 to March 15, 1995. The document that proposes for

public comment the requirements for implementing the alternative

measures and changes in the SO2 ambient air surveillance network

will be published shortly in the Federal Register. That document also

will contain the announcement for a separate public hearing on the

implementation plan and ambient air quality surveillance network.

Individuals planning to make oral presentations at the hearing

should notify Susan Lyon Stone, at the above address, at least 7 days

prior to the date of the hearing. Oral presentations will be limited to

15 minutes each. Any member of the public may file a written statement

before, during, or within 30 days after the hearing. Written statements

(duplicate copies preferred) should be submitted to the appropriate

docket at the above address.

A verbatim transcript of the hearing and written statements will be

available for copying during normal working hours at the Air and

Radiation Docket Information Center (6102), Room M-1500, U.S.

Environmental Protection Agency, 401 M Street, SW., Washington, DC

20460.

List of Subjects

40 CFR part 50

Environmental protection, Air pollution control, Carbon monoxide,

Lead, Nitrogen dioxide, Ozone, Particulate matter, Sulfur oxides

40 CFR Part 53

Administrative practice and procedure, Air pollution control,

Reporting and recordkeeping requirements

Dated: December 19, 1994.

Richard D. Wilson,

Assistant Administrator for Air and Radiation.

[FR Doc. 94-32123 Filed 12-28-94; 8:45 am]

BILLING CODE 6560-50-M