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| number = ML100250707
| number = ML100250707
| issue date = 02/16/2010
| issue date = 02/16/2010
| title = Cover Letter, Environmental Assessment and Finding of No Significant Impact, Related to 10 CFR Part 73 Exemption Request (TAC Nos. ME2873 and ME2874)
| title = Cover Letter, Environmental Assessment and Finding of No Significant Impact, Related to 10 CFR Part 73 Exemption Request
| author name = Thadani M
| author name = Thadani M
| author affiliation = NRC/NRR/DORL/LPLIV
| author affiliation = NRC/NRR/DORL/LPLIV
Line 18: Line 18:


=Text=
=Text=
{{#Wiki_filter:UNITED NUCLEAR REGULATORY WASHINGTON, D.C. 20555-0001 February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483 SOUTH TEXAS PROJECT, UNITS 1 AND 2 -ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS. ME2873 AND ME2874)  
{{#Wiki_filter:UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483 SUB~IECT:        SOUTH TEXAS PROJECT, UNITS 1 AND 2 - ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS.
ME2873 AND ME2874)


==Dear Mr. Halpin:==
==Dear Mr. Halpin:==
Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).
Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).
In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee' to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.
In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee' to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.
The assessment is being forwarded to the Office of the Federal Register for publication.
The assessment is being forwarded to the Office of the Federal Register for publication.
Sincerely, Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and Environmental cc w/encl: DistributIon via
Sincerely, Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499
 
==Enclosure:==
 
Environmental Assessment cc w/encl: DistributIon via Llstserv


NUCLEAR REGULATORY STP NUCLEAR OPERATING SOUTH TEXAS UNITS 1 AND DOCKET NOS. 50-498 AND ENVIRONMENTAL ASSESSMENT FINDING OF NO SIGNIFICANT The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of an exemption, pursuant to Title 10 of the Code of Federal Regulations (10 CFR) Section 73.5, "Specific exemptions," from the implementation date for certain new requirements of 10 CFR Part 73, "Physical protection of plants and materials," for Facility Operating Licenses numbered NPF-76 and NPF-80, issued to STP Nuclear Operating Company (the licensee), for operation of South Texas Project (STP), Units 1 and 2, located in Matagorda County, Texas. In accordance with 10 CFR 51.21, the NRC prepared an environmental assessment documenting its finding. The NRC concluded that the proposed actions will have no significant environmental impact. ENVIRONMENTAL ASSESSMENT Identification of the Proposed Action: The proposed action would exempt STP, Units 1 and 2, from the required implementation date of March 31, 2010, for certain new requirements of 10 CFR Part 73. Specifically, STP, Units 1 and 2, would be granted an exemption from being in full compliance with certain new requirements contained in 10 CFR 73.55 by the March 31, 2010, deadline.
7590-01-P NUCLEAR REGULATORY COMMISSION STP NUCLEAR OPERATING COMPANY SOUTH TEXAS     PRO~IECTJ    UNITS 1 AND 2 DOCKET NOS. 50-498 AND 50-499 ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of an exemption, pursuant to Title 10 of the Code of Federal Regulations (10 CFR) Section 73.5, "Specific exemptions," from the implementation date for certain new requirements of 10 CFR Part 73, "Physical protection of plants and materials," for Facility Operating Licenses numbered NPF-76 and NPF-80, issued to STP Nuclear Operating Company (the licensee), for operation of South Texas Project (STP), Units 1 and 2, located in Matagorda County, Texas. In accordance with 10 CFR 51.21, the NRC prepared an environmental assessment documenting its finding.
The licensee for STP, Units 1 and 2, has proposed an alternate full compliance implementation date of June 30, 2010, 3 months beyond the date required by 10 CFR Part 73. The proposed action, an extension of the schedule for completion of certain actions required by the revised 10
The NRC concluded that the proposed actions will have no significant environmental impact.
-2 CFR Part 73, does not involve any physical changes to the reactor, fuel, plant structures, support structures, water, or land at the STP, Units 1 and 2, site. The proposed action is in accordance with the licensee's application dated November 18,2009. The Need for the Proposed Action: The proposed action is needed to provide the licensee with additional time required to perform the required upgrades to the STP, Units 1 and 2 security systems. Environmental Impacts of the Proposed Action: The NRC staff has completed its environmental assessment of the proposed exemption.
ENVIRONMENTAL ASSESSMENT Identification of the Proposed Action:
The proposed action would exempt STP, Units 1 and 2, from the required implementation date of March 31, 2010, for certain new requirements of 10 CFR Part 73.
Specifically, STP, Units 1 and 2, would be granted an exemption from being in full compliance with certain new requirements contained in 10 CFR 73.55 by the March 31, 2010, deadline.
The licensee for STP, Units 1 and 2, has proposed an alternate full compliance implementation date of June 30, 2010, 3 months beyond the date required by 10 CFR Part 73. The proposed action, an extension of the schedule for completion of certain actions required by the revised 10
 
                                                    -2 CFR Part 73, does not involve any physical changes to the reactor, fuel, plant structures, support structures, water, or land at the STP, Units 1 and 2, site.
The proposed action is in accordance with the licensee's application dated November 18,2009.
The Need for the Proposed Action:
The proposed action is needed to provide the licensee with additional time required to perform the required upgrades to the STP, Units 1 and 2 security systems.
Environmental Impacts of the Proposed Action:
The NRC staff has completed its environmental assessment of the proposed exemption.
The NRC staff has concluded that the proposed action to extend the compliance implementation deadline would not significantly affect plant safety and would not have a significant adverse effect on the probability or consequences of an accident.
The NRC staff has concluded that the proposed action to extend the compliance implementation deadline would not significantly affect plant safety and would not have a significant adverse effect on the probability or consequences of an accident.
The proposed action would not result in any increased radiological hazards beyond those previously analyzed in the environmental assessment and finding of no significant impact made by the Commission in promulgating its revisions to 10 CFR Part 73 as discussed in a Federal Register notice dated March 27,2009 (74 FR 13926). There will be no change to radioactive effluents that affect radiation exposures to plant workers and members of the public. Therefore, no changes or different types of radiological impacts are expected as a result of the proposed exemption.
The proposed action would not result in any increased radiological hazards beyond those previously analyzed in the environmental assessment and finding of no significant impact made by the Commission in promulgating its revisions to 10 CFR Part 73 as discussed in a Federal Register notice dated March 27,2009 (74 FR 13926). There will be no change to radioactive effluents that affect radiation exposures to plant workers and members of the public.
The proposed action does not result in changes to land use or water use, or result in changes to the quality or quantity of non-radiological effluents.
Therefore, no changes or different types of radiological impacts are expected as a result of the proposed exemption.
No changes to the National Pollution Discharge Elimination System permit are needed. No effects on the aquatic or terrestrial habitat in the vicinity of the plant, or to threatened, endangered, or protected species
The proposed action does not result in changes to land use or water use, or result in changes to the quality or quantity of non-radiological effluents. No changes to the National Pollution Discharge Elimination System permit are needed. No effects on the aquatic or terrestrial habitat in the vicinity of the plant, or to threatened, endangered, or protected species
-3 under the Endangered Species Act, or impacts to essential fish habitat covered by the Magnuson-Stevens Act are expected.
 
There are no impacts to the air or ambient air quality. There are no impacts to historical and cultural resources.
                                                -3 under the Endangered Species Act, or impacts to essential fish habitat covered by the Magnuson-Stevens Act are expected. There are no impacts to the air or ambient air quality.
There would be no impact to socioeconomic resources.
There are no impacts to historical and cultural resources. There would be no impact to socioeconomic resources. Therefore, no changes to or different types of non-radiological environmental impacts are expected as a result of the proposed exemption.
Therefore, no changes to or different types of non-radiological environmental impacts are expected as a result of the proposed exemption.
Accordingly, the NRC staff concludes that there are no significant environmental impacts associated with the proposed action. In addition, in promulgating its revisions to 10 CFR Part 73, the Commission prepared an environmental assessment and published a finding of no significant impact (Part 73, Power Reactor Security Requirements, 74 FR 13926 (March 27, 2009)).
Accordingly, the NRC staff concludes that there are no significant environmental impacts associated with the proposed action. In addition, in promulgating its revisions to 10 CFR Part 73, the Commission prepared an environmental assessment and published a finding of no significant impact (Part 73, Power Reactor Security Requirements, 74 FR 13926 (March 27, 2009)). With its request to extend the compliance implementation deadline, the licensee has proposed compensatory measures to be taken in lieu of full compliance with the new requirements specified in 10 CFR Part 73. The licensee currently maintains a security system acceptable to the NRC. The proposed compensatory measures will continue to provide acceptable physical protection of the STP, Units 1 and 2, in lieu of the new requirements in 10 CFR Part 73. Therefore, the extension of the implementation date of the new requirements of 10 CFR Part 73 to June 30, 2010, would not have any significant environmental impacts. The NRC staff's safety evaluation will be provided as part of a letter to the licensee approving the exemption to the regulation, if granted. Environmental Impacts of the Alternatives to the Proposed Action: As an alternative to the proposed action, the NRC staff considered denial of the proposed actions (i.e., the "no-action" alternative).
With its request to extend the compliance implementation deadline, the licensee has proposed compensatory measures to be taken in lieu of full compliance with the new requirements specified in 10 CFR Part 73. The licensee currently maintains a security system acceptable to the NRC. The proposed compensatory measures will continue to provide acceptable physical protection of the STP, Units 1 and 2, in lieu of the new requirements in 10 CFR Part 73. Therefore, the extension of the implementation date of the new requirements of 10 CFR Part 73 to June 30, 2010, would not have any significant environmental impacts.
Denial of the exemption request would result in no change in current environmental impacts. If the proposed action was denied, the licensee
The NRC staff's safety evaluation will be provided as part of a letter to the licensee approving the exemption to the regulation, if granted.
-would have to comply with the March 31,2010, compliance implementation deadline.
Environmental Impacts of the Alternatives to the Proposed Action:
The environmental impacts of the proposed exemption and the "no-action" alternative are similar. Alternative Use of Resources:
As an alternative to the proposed action, the NRC staff considered denial of the proposed actions (i.e., the "no-action" alternative). Denial of the exemption request would result in no change in current environmental impacts. If the proposed action was denied, the licensee
The action does not involve the use of any different resources than those considered in the Final Environmental Statement for the STP, Units 1 and 2, NUREG-1172, dated August 1986. Agencies and Persons Consulted:
 
                                                  - 4 would have to comply with the March 31,2010, compliance implementation deadline. The environmental impacts of the proposed exemption and the "no-action" alternative are similar.
Alternative Use of Resources:
The action does not involve the use of any different resources than those considered in the Final Environmental Statement for the STP, Units 1 and 2, NUREG-1172, dated August 1986.
Agencies and Persons Consulted:
In accordance with its stated policy, on February 1, 2010, the NRC staff consulted with the Texas State official, Ms. Alice Rogers of the Texas State Department of Health, regarding the environmental impact of the proposed action. The Texas State official had no comments.
In accordance with its stated policy, on February 1, 2010, the NRC staff consulted with the Texas State official, Ms. Alice Rogers of the Texas State Department of Health, regarding the environmental impact of the proposed action. The Texas State official had no comments.
FINDING OF NO SIGNIFICANT IMPACT On the basis of the environmental assessment, the NRC concludes that the proposed action will not have a significant effect on the quality of the human environment.
FINDING OF NO SIGNIFICANT IMPACT On the basis of the environmental assessment, the NRC concludes that the proposed action will not have a significant effect on the quality of the human environment. Accordingly, the NRC has determined not to prepare an environmental impact statement for the proposed action.
Accordingly, the NRC has determined not to prepare an environmental impact statement for the proposed action. For further details with respect to the proposed action, see the licensee's letter dated November 18, 2009. Portions of November 18, 2009, submittal contains security related information and, accordingly, are not available to the public. Other parts of the documents may be examined, and/or copied for a fee, at the NRC's Public Document Room (PDR), located at One White Flint North, Public File Area 0-1 F21, 11555 Rockville Pike (first floor), Rockville, Maryland 20852. Publicly available records will be accessible electronically from the Agencywide Documents Access and Management System (ADAMS) Public Electronic Reading Room on the Internet at the NRC Web site: http://www.nrc.gov/reading-rm/adams.html.
For further details with respect to the proposed action, see the licensee's letter dated November 18, 2009. Portions of November 18, 2009, submittal contains security related information and, accordingly, are not available to the public. Other parts of the documents may be examined, and/or copied for a fee, at the NRC's Public Document Room (PDR), located at One White Flint North, Public File Area 0-1 F21, 11555 Rockville Pike (first floor), Rockville, Maryland 20852. Publicly available records will be accessible electronically from the Agencywide Documents Access and Management System (ADAMS) Public Electronic Reading Room on the Internet at the NRC Web site: http://www.nrc.gov/reading-rm/adams.html.
Persons who do not have access to ADAMS or who encounter problems in accessing the
Persons who do not have access to ADAMS or who encounter problems in accessing the
-5 documents located in ADAMS should contact the NRC PDR Reference staff by telephone at 800-397-4209 or 301-415-4737, or send an e-mail to pdr.resource@nrc.qov.
 
Dated at Rockville, Maryland, this 16 th day of February 2010. FOR THE NUCLEAR REGULATORY COMMISSION  
                                              -5 documents located in ADAMS should contact the NRC PDR Reference staff by telephone at 1 800-397-4209 or 301-415-4737, or send an e-mail to pdr.resource@nrc.qov.
! );uet4 Mohan C. Thadani, Senior Project Manager Plant Licensing Branch LPLIV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483 SOUTH TEXAS PROJECT, UNITS 1 AND 2 -ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS. ME2873 AND ME2874)  
Dated at Rockville, Maryland, this 16 th day of February 2010.
FOR THE NUCLEAR REGULATORY COMMISSION
                                    ! );uet4 L)/£?LV~
Mohan C. Thadani, Senior Project Manager Plant Licensing Branch LPLIV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation
 
February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483
 
==SUBJECT:==
SOUTH TEXAS PROJECT, UNITS 1 AND 2 - ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS.
ME2873 AND ME2874)


==Dear Mr. Halpin:==
==Dear Mr. Halpin:==
Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).
Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).
In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.
In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.
The assessment is being forwarded to the Office of the Federal Register for publication.
The assessment is being forwarded to the Office of the Federal Register for publication.
Sincerely, IRAJ Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499  
Sincerely, IRAJ Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499


==Enclosure:==
==Enclosure:==


Environmental Assessment cc w/encl: Distribution via Listserv DISTRIBUTION:
Environmental Assessment cc w/encl: Distribution via Listserv DISTRIBUTION:
PUBLIC LPLIV Reading RidsAcrsAcnw_MailCTR Resource RidsNrrDlrRerb Resource RidsNrrDorlLpl4 Resource RidsNrrPMSoulhTexas Resource RidsNrrLAJBurkhardl Resource RidsOgcRp Resource RidsRgn4MailCenler Resource ADAMS Accession Nos".. Letter" ML100250707 , EA" ML100250723 OFFICE NRRlLPL4/PM NRRlLPL4/LA NRRlDLRlRERB/BC OGC NRRlLPL4/BC NRRlLPL4/PM NAME MThadani JBurkhardl Almboden STurk MMarkley MThadani DATE 1/25/10 1/25/10 2/1/10 2/4/10 2/16/10 2/16/10 OFFICIAL RECORD COpy}}
PUBLIC LPLIV Reading RidsAcrsAcnw_MailCTR Resource RidsNrrDlrRerb Resource RidsNrrDorlLpl4 Resource RidsNrrPMSoulhTexas Resource RidsNrrLAJBurkhardl Resource RidsOgcRp Resource RidsRgn4MailCenler Resource ADAMS Accession Nos" Letter" ML100250707, EA" ML100250723 OFFICE   NRRlLPL4/PM     NRRlLPL4/LA NRRlDLRlRERB/BC   OGC         NRRlLPL4/BC   NRRlLPL4/PM NAME     MThadani         JBurkhardl   Almboden           STurk       MMarkley     MThadani DATE     1/25/10         1/25/10     2/1/10             2/4/10     2/16/10       2/16/10 OFFICIAL RECORD COpy}}

Latest revision as of 20:40, 21 March 2020

Cover Letter, Environmental Assessment and Finding of No Significant Impact, Related to 10 CFR Part 73 Exemption Request
ML100250707
Person / Time
Site: South Texas  STP Nuclear Operating Company icon.png
Issue date: 02/16/2010
From: Thadani M
Plant Licensing Branch IV
To: Halpin E
South Texas
Thadani, M C, NRR/DORL/LP4, 415-1476
References
TAC ME2873, TAC ME2874
Download: ML100250707 (7)
v • d • e


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483 SUB~IECT: SOUTH TEXAS PROJECT, UNITS 1 AND 2 - ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS.

ME2873 AND ME2874)

Dear Mr. Halpin:

Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).

In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee' to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.

The assessment is being forwarded to the Office of the Federal Register for publication.

Sincerely, Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499

Enclosure:

Environmental Assessment cc w/encl: DistributIon via Llstserv

7590-01-P NUCLEAR REGULATORY COMMISSION STP NUCLEAR OPERATING COMPANY SOUTH TEXAS PRO~IECTJ UNITS 1 AND 2 DOCKET NOS. 50-498 AND 50-499 ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of an exemption, pursuant to Title 10 of the Code of Federal Regulations (10 CFR) Section 73.5, "Specific exemptions," from the implementation date for certain new requirements of 10 CFR Part 73, "Physical protection of plants and materials," for Facility Operating Licenses numbered NPF-76 and NPF-80, issued to STP Nuclear Operating Company (the licensee), for operation of South Texas Project (STP), Units 1 and 2, located in Matagorda County, Texas. In accordance with 10 CFR 51.21, the NRC prepared an environmental assessment documenting its finding.

The NRC concluded that the proposed actions will have no significant environmental impact.

ENVIRONMENTAL ASSESSMENT Identification of the Proposed Action:

The proposed action would exempt STP, Units 1 and 2, from the required implementation date of March 31, 2010, for certain new requirements of 10 CFR Part 73.

Specifically, STP, Units 1 and 2, would be granted an exemption from being in full compliance with certain new requirements contained in 10 CFR 73.55 by the March 31, 2010, deadline.

The licensee for STP, Units 1 and 2, has proposed an alternate full compliance implementation date of June 30, 2010, 3 months beyond the date required by 10 CFR Part 73. The proposed action, an extension of the schedule for completion of certain actions required by the revised 10

-2 CFR Part 73, does not involve any physical changes to the reactor, fuel, plant structures, support structures, water, or land at the STP, Units 1 and 2, site.

The proposed action is in accordance with the licensee's application dated November 18,2009.

The Need for the Proposed Action:

The proposed action is needed to provide the licensee with additional time required to perform the required upgrades to the STP, Units 1 and 2 security systems.

Environmental Impacts of the Proposed Action:

The NRC staff has completed its environmental assessment of the proposed exemption.

The NRC staff has concluded that the proposed action to extend the compliance implementation deadline would not significantly affect plant safety and would not have a significant adverse effect on the probability or consequences of an accident.

The proposed action would not result in any increased radiological hazards beyond those previously analyzed in the environmental assessment and finding of no significant impact made by the Commission in promulgating its revisions to 10 CFR Part 73 as discussed in a Federal Register notice dated March 27,2009 (74 FR 13926). There will be no change to radioactive effluents that affect radiation exposures to plant workers and members of the public.

Therefore, no changes or different types of radiological impacts are expected as a result of the proposed exemption.

The proposed action does not result in changes to land use or water use, or result in changes to the quality or quantity of non-radiological effluents. No changes to the National Pollution Discharge Elimination System permit are needed. No effects on the aquatic or terrestrial habitat in the vicinity of the plant, or to threatened, endangered, or protected species

-3 under the Endangered Species Act, or impacts to essential fish habitat covered by the Magnuson-Stevens Act are expected. There are no impacts to the air or ambient air quality.

There are no impacts to historical and cultural resources. There would be no impact to socioeconomic resources. Therefore, no changes to or different types of non-radiological environmental impacts are expected as a result of the proposed exemption.

Accordingly, the NRC staff concludes that there are no significant environmental impacts associated with the proposed action. In addition, in promulgating its revisions to 10 CFR Part 73, the Commission prepared an environmental assessment and published a finding of no significant impact (Part 73, Power Reactor Security Requirements, 74 FR 13926 (March 27, 2009)).

With its request to extend the compliance implementation deadline, the licensee has proposed compensatory measures to be taken in lieu of full compliance with the new requirements specified in 10 CFR Part 73. The licensee currently maintains a security system acceptable to the NRC. The proposed compensatory measures will continue to provide acceptable physical protection of the STP, Units 1 and 2, in lieu of the new requirements in 10 CFR Part 73. Therefore, the extension of the implementation date of the new requirements of 10 CFR Part 73 to June 30, 2010, would not have any significant environmental impacts.

The NRC staff's safety evaluation will be provided as part of a letter to the licensee approving the exemption to the regulation, if granted.

Environmental Impacts of the Alternatives to the Proposed Action:

As an alternative to the proposed action, the NRC staff considered denial of the proposed actions (i.e., the "no-action" alternative). Denial of the exemption request would result in no change in current environmental impacts. If the proposed action was denied, the licensee

- 4 would have to comply with the March 31,2010, compliance implementation deadline. The environmental impacts of the proposed exemption and the "no-action" alternative are similar.

Alternative Use of Resources:

The action does not involve the use of any different resources than those considered in the Final Environmental Statement for the STP, Units 1 and 2, NUREG-1172, dated August 1986.

Agencies and Persons Consulted:

In accordance with its stated policy, on February 1, 2010, the NRC staff consulted with the Texas State official, Ms. Alice Rogers of the Texas State Department of Health, regarding the environmental impact of the proposed action. The Texas State official had no comments.

FINDING OF NO SIGNIFICANT IMPACT On the basis of the environmental assessment, the NRC concludes that the proposed action will not have a significant effect on the quality of the human environment. Accordingly, the NRC has determined not to prepare an environmental impact statement for the proposed action.

For further details with respect to the proposed action, see the licensee's letter dated November 18, 2009. Portions of November 18, 2009, submittal contains security related information and, accordingly, are not available to the public. Other parts of the documents may be examined, and/or copied for a fee, at the NRC's Public Document Room (PDR), located at One White Flint North, Public File Area 0-1 F21, 11555 Rockville Pike (first floor), Rockville, Maryland 20852. Publicly available records will be accessible electronically from the Agencywide Documents Access and Management System (ADAMS) Public Electronic Reading Room on the Internet at the NRC Web site: http://www.nrc.gov/reading-rm/adams.html.

Persons who do not have access to ADAMS or who encounter problems in accessing the

-5 documents located in ADAMS should contact the NRC PDR Reference staff by telephone at 1 800-397-4209 or 301-415-4737, or send an e-mail to pdr.resource@nrc.qov.

Dated at Rockville, Maryland, this 16 th day of February 2010.

FOR THE NUCLEAR REGULATORY COMMISSION

! );uet4 L)/£?LV~

Mohan C. Thadani, Senior Project Manager Plant Licensing Branch LPLIV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation

February 16, 2010 Mr. Edward D. Halpin President and Chief Executive Officer STP Nuclear Operating Company South Texas Project P. O. Box 289 VVadsworth, TX 77483

SUBJECT:

SOUTH TEXAS PROJECT, UNITS 1 AND 2 - ENVIRONMENTAL ASSESSMENT AND FINDING OF NO SIGNIFICANT IMPACT (TAC NOS.

ME2873 AND ME2874)

Dear Mr. Halpin:

Enclosed is a copy of the Environmental Assessment and Finding of No Significant Impact related to STP Nuclear Operating Company's application for exemption dated November 18, 2009 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML093280174).

In its letter dated November 18, 2009, the licensee requested an exemption from certain requirements in Title 10 of the Code of Federal Regulations (10 CFR) Part 73. Specifically, the request is to extend the compliance date in the new 10 CFR Part 73 from March 31, 2010, to June 30, 2010. Granting this exemption will allow the licensee to complete the modifications designed to upgrade the equipment and incorporate state-of-the-art technology as required by the new regulatory requirements.

The assessment is being forwarded to the Office of the Federal Register for publication.

Sincerely, IRAJ Mohan C. Thadani, Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-498 and 50-499

Enclosure:

Environmental Assessment cc w/encl: Distribution via Listserv DISTRIBUTION:

PUBLIC LPLIV Reading RidsAcrsAcnw_MailCTR Resource RidsNrrDlrRerb Resource RidsNrrDorlLpl4 Resource RidsNrrPMSoulhTexas Resource RidsNrrLAJBurkhardl Resource RidsOgcRp Resource RidsRgn4MailCenler Resource ADAMS Accession Nos" Letter" ML100250707, EA" ML100250723 OFFICE NRRlLPL4/PM NRRlLPL4/LA NRRlDLRlRERB/BC OGC NRRlLPL4/BC NRRlLPL4/PM NAME MThadani JBurkhardl Almboden STurk MMarkley MThadani DATE 1/25/10 1/25/10 2/1/10 2/4/10 2/16/10 2/16/10 OFFICIAL RECORD COpy

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