37994 Federal Register / Vol. 88, No. 112 / Monday, June 12, 2023 / Rules and Regulations 
and M/V CELSIUS CHARLOTTE are 
within the Corpus Christi Ship Channel and La Quinta Channel while loaded with cargo. It will prohibit entry within a 500-yard radius of M/V COOL DISCOVERER and M/V CELSIUS CHARLOTTE while the vessels are transiting loaded within Corpus Christi Ship Channel and La Quinta Channel. It is categorically excluded from further review under L60 in Appendix A, Table 1 of DHS Instruction Manual 023–01– 001–01, Rev. 1. A record of Environmental Consideration supporting this determination is available in the docket. For instructions on locating the docket, see the 
ADDRESSES section of this preamble. 
G. Protest Activities 
The Coast Guard respects the First 
Amendment rights of protesters. Protesters are asked to contact the person listed in the 
FOR FURTHER  
INFORMATION CONTACT section to 
coordinate protest activities so that your message can be received without jeopardizing the safety or security of people, places, or vessels. 
List of Subjects in 33 CFR Part 165 
Harbors, Marine safety, Navigation 
(water), Reporting and recordkeeping 
requirements, Security measures, Waterways. 
For the reasons discussed in the 
preamble, the Coast Guard amends 33 CFR part 165 as follows: 
PART 165—REGULATED NAVIGATION 
AREAS AND LIMITED ACCESS AREAS 
■1. The authority citation for part 165 
continues to read as follows: 
Authority: 46 U.S.C. 70034, 70051; 70124; 
33 CFR 1.05–1, 6.04–1, 6.04–6, and 160.5; 
Department of Homeland Security Delegation No. 00170.1, Revision No. 01.3. 
■2. Add § 165.T08–0481 to read as 
follows: 
§ 165.T08–0481 Security Zones; Corpus Christi Ship Channel. Corpus Christi, TX. 
(a) Location. The following areas are 
moving security zones: All navigable 
waters encompassing a 500-yard radius around the M/V COOL DISCOVERER and M/V CELSIUS CHARLOTTE while the vessels are in the Corpus Christi Ship Channel and La Quinta Channel. 
(b) Enforcement period. This section 
will be enforced from June 7, 2023, through June 16, 2023. 
(c) Regulations. (1) The general 
regulations in § 165.33 apply. Entry into the zones is prohibited unless authorized by the Captain of the Port Sector Corpus Christi (COTP) or a designated representative. A designated representative is a commissioned, warrant, or petty officer of the U.S. Coast Guard assigned to units under the operational control of USCG Sector Corpus Christi. 
(2) Persons or vessels desiring to enter 
or pass through the zones must request permission from the COTP Sector Corpus Christi on VHF–FM channel 16 or by telephone at 361–939–0450. 
(3) If permission is granted, all 
persons and vessels shall comply with the instructions of the COTP or designated representative. 
(d) Information broadcasts. The COTP 
or a designated representative will inform the public through Broadcast Notices to Mariners (BNMs), Local Notices to Mariners (LNMs), and/or Marine Safety Information Bulletins (MSIBs) as appropriate of the enforcement times and dates for these security zones. 
Dated: June 6, 2023. 
J.B. Gunning, 
Captain, U.S. Coast Guard, Captain of the 
Port, Sector Corpus Christi. 
[FR Doc. 2023–12451 Filed 6–9–23; 8:45 am] 
BILLING CODE 9110–04–P 
ENVIRONMENTAL PROTECTION 
AGENCY 
40 CFR Part 9 
[EPA–HQ–OPPT–2021–0227; FRL–8985–03– 
OCSPP] 
RIN 2070–AB27 
Significant New Use Rules on Certain 
Chemical Substances (21–2.F); Correction 
AGENCY : Environmental Protection 
Agency (EPA). 
ACTION : Final rule; correction. 
SUMMARY : EPA issued a final rule in the 
Federal Register of Tuesday, April 11, 2023, concerning significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs). This document corrects a typographical error in the amendatory instructions. 
DATES : This correction is effective June 
12, 2023. 
FOR FURTHER INFORMATION CONTACT : 
William Wysong, New Chemicals Division (7405M), Office of Pollution Prevention and Toxics, Environmental Protection Agency, 1200 Pennsylvania Ave. NW, Washington, DC 20460–0001; telephone number: (202) 564–4163; email address: wysong.william@epa.gov. SUPPLEMENTARY INFORMATION : In FR Doc. 
2023–07458 appearing on page 21480 in the Federal Register of Tuesday, April 
11, 2023 (88 FR 21480; FRL–8985–02– OCSPP), the following correction is made: 
§ 9.1 [Corrected] 
On page 21484, in the third column, 
in part 9, in amendment 2, the instruction ‘‘In § 9.1, amend the table by adding entries for §§ 721.11604 through 721.11634 in numerical order under the undesignated center heading ‘‘Significant New Uses of Chemical Substances’’ to read as follows:’’ is corrected to read ‘‘In § 9.1, amend the table by adding entries for §§ 721.11659 through 721.11686 in numerical order under the undesignated center heading ‘‘Significant New Uses of Chemical Substances’’ to read as follows:’’ 
Dated: June 6, 2023. 
Mark Hartman, 
Deputy Director, Office of Pollution 
Prevention and Toxics. 
[FR Doc. 2023–12386 Filed 6–9–23; 8:45 am] 
BILLING CODE 6560–50–P 
ENVIRONMENTAL PROTECTION 
AGENCY 
40 CFR Parts 122 and 123 
[EPA–HQ–OW–2022–0834; FRL–10123–06– 
OW] 
RIN 2040–AG27 
NPDES Small MS4 Urbanized Area 
Clarification 
AGENCY : Environmental Protection 
Agency (EPA). 
ACTION : Final rule. 
SUMMARY : The U.S. Environmental 
Protection Agency (EPA) is finalizing clarifications to its National Pollutant Discharge Elimination System (NPDES) Stormwater Phase II regulations due to recent changes made by the Census Bureau. The changes to EPA’s regulations are limited to clarifying that the designation criteria for small municipal separate storm sewer systems (MS4s), which have been used since the promulgation of the regulations in 1999, will remain the same. These clarifications are necessary due to the Census Bureau’s recent decision to discontinue its practice of publishing the location of ‘‘urbanized areas’’ along with the 2020 Census and future censuses. The clarifications in this final rule replace the term ‘‘urbanized area’’ in the Phase II regulations with the phrase ‘‘urban areas with a population of at least 50,000,’’ which is the Census 
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