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美国减少矿工接触可吸入结晶二氧化硅并改善呼吸保护

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世界贸易组织	G/TBT/N/USA/2017/Add.4 2026-04-08 26-2729

技术性贸易壁垒	原文：英语

通报

补遗

以下 2026年04月07日的信息根据美国代表团的要求分发。

减少矿工接触可吸入结晶二氧化硅并改善呼吸保护

补遗理由：

补遗原因：
[]评议期变更-日期：
[]已通知采取的措施-日期：
[]通报措施公布-日期：
[]通报措施生效-日期：
[]最终措施文本可从¹获得：
[]通报措施撤回或撤销日期：

·若措施被重新通报，则相关编号为：
[]通知措施的内容或范围发生变化，文本可从¹获得：

新的意见反馈截止日期（如适用）：

[]发布的解释性指南和文本可从¹获得：
[X]·其他：推迟生效日期；自2026年4月6日起，第4、5、8、9、13、14、17和18号修正案的生效日期无限期推迟，等待司法审查。MSHA将在《联邦公报》上发布一份文件，宣布一旦法院下令的中止终止将采取进一步行动。

https://members.wto.org/crnattachments/2026/TBT/USA/26_01935_00_e.pdf

描述：最终规则；生效日期延迟-劳工部矿山安全与健康管理局(MSHA)在司法暂缓2024年4月18日在89 FR 28218上发布的2024年最终规则中规定的合规截止日期后发布此通报，标题为“降低矿工接触可吸入结晶二氧化硅并改善呼吸保护”（2024年二氧化硅规则）。2024年二氧化硅规则（2024年6月24日发布的更正）对金属和非金属(MNM)标准进行了符合性修订，计划于2026年4月8日生效。由于司法中止生效，这一通报无限期地推迟了符合要求的修正案，等待司法审查。
根据法院命令，MSHA将继续无限期地执行30 CFR 56.5001、56.5005、57.5001和57.5005中的现有标准，直到法院命令的中止终止并就如何继续进行做出决议。MSHA还将推迟30 CFR 56.5001 T、56.5005 T、57.5001 T和57.5005 T中符合性修订的实施，直至该时间。
91联邦公报（FR）17143，30联邦法规（CFR）第56和57部分：

https://www.govinfo.gov/content/pkg/FR-2026-04-06/html/2026-06584.htm

https://www.govinfo.gov/content/pkg/FR-2026-04-06/pdf/2026-06584.pdf
这最后一条规则；以符号G/TBT/N/USA/2017通知的生效日期延迟和其他行动由案卷号MSHA-2023-0001标识。案卷文件夹可从Regulations.gov获取，网址为

https：//www.regulations.gov/docket/MSHA-2023-0001/document，并提供对主要文件和支持文件以及收到的意见的访问。也可以通过搜索案卷号从Regulations.gov获取文件。

脚注1：可通过网站地址、pdf附件或其他最终/修订措施和/或解释性指南的文本出处获取上述信息。



	G/TBT/N/USA/2017/Add.4
	8 April 2026
(26-2729)
Committee on Technical Barriers to Trade		Original: English

NOTIFICATION

Addendum

The following communication, dated 7 April 2026, is being circulated at the request of the delegation of the United States of America.

_______________

Title: Lowering Miners' Exposure to Respirable Crystalline Silica and Improving Respiratory Protection

Reason for Addendum:
[ ]	Comment period changed - date:
[ ]	Notified measure adopted - date:
[ ]	Notified measure published - date:
[ ]	Notified measure enters into force - date:
[ ]	Text of final measure available from[1]:
[ ]	Notified measure withdrawn or revoked - date: Relevant symbol if measure re-notified:
[ ]	Content or scope of notified measure changed and text available from1: New deadline for comments (if applicable):
[ ]	Interpretive guidance issued and text available from1:
[X]	Other: Delay of effective date; as of 6 April 2026, the effective date of amendments 4, 5, 8, 9, 13, 14, 17, and 18 is delayed indefinitely, pending judicial review. MSHA will publish a document in the Federal Register announcing further action once the court-ordered stay is terminated. https://members.wto.org/crnattachments/2026/TBT/USA/26_01935_00_e.pdf

Description: Final rule; delay of effective date - The Mine Safety and Health Administration (MSHA), Department of Labor, is issuing this notification following a judicial stay of the compliance deadlines established in the 2024 final rule published at 89 FR 28218 on 18 April 2024 titled "Lowering Miners' Exposure to Respirable Crystalline Silica and Improving Respiratory Protection" (2024 Silica Rule). The 2024 Silica Rule (correction published 24 June 2024) made conforming amendments for metal and nonmetal (MNM) standards that are scheduled to take effect on 8 April 2026. Since a judicial stay is in effect, this notification delays the conforming amendments indefinitely, pending judicial review.

In accordance with the Court order, MSHA will continue to enforce the existing standards in 30 CFR 56.5001, 56.5005, 57.5001, and 57.5005 indefinitely, until the Court-ordered stay is terminated and there is a resolution on how to proceed. MSHA will also delay enforcement of the conforming amendments in 30 CFR 56.5001T, 56.5005T, 57.5001T, and 57.5005T until that time.

91 Federal Register (FR) 17143, 30 Code of Federal Regulations (CFR) Parts 56 and 57:

https://www.govinfo.gov/content/pkg/FR-2026-04-06/html/2026-06584.htm

https://www.govinfo.gov/content/pkg/FR-2026-04-06/pdf/2026-06584.pdf

This final rule; delay of effective date and other actions notified under the symbol G/TBT/N/USA/2017 are identified by Docket Number MSHA-2023-0001. The Docket Folder is available from Regulations.gov at https://www.regulations.gov/docket/MSHA-2023-0001/document and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number.

__________

[1] This information can be provided by including a website address, a pdf attachment, or other information on where the text of the final/modified measure and/or interpretive guidance can be obtained.