NESHAP for Natural Gas Transmission and Storage (40 CFR part 63, subpart HHH) (Renewal)
Extension without change of a currently approved collection
No
Regular
Approved without change
04/03/2026
02/28/2025
In accordance with 5 CFR 1320, the information collection is approved for three years.
Inventory as of this Action
Requested
Previously Approved
04/30/2029
36 Months From Approved
04/30/2026
219
0
176
4,650
0
3,780
0
0
0
The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Natural Gas Transmission and Storage (40 CFR Part 63, Subpart HHH) apply to existing facilities and new facilities that are major sources of hazardous air pollutants (HAP) and that either transport or store natural gas prior to entering the pipeline to a local distribution company or to a final end user (if there is no local distribution company). The 2012 amendment eliminates the startup, shutdown and malfunction (SSM) exemption, establishes MACT standards for small glycol dehydration units (glycol dehydrators with an actual annual average natural gas flowrate less than 283,000 scmd or actual average benzene emissions less than 0.9 Mg/yr), and requires facilities using carbon absorbers as a control device to keep records of their carbon replacement schedule. New facilities include those that commenced construction or reconstruction after the date of proposal. In general, all NESHAP standards require initial notifications, performance tests, and periodic reports by the owners/operators of the affected facilities. They are also required to maintain records of the occurrence and duration of any startup, shutdown, or malfunction in the operation of an affected facility, or any period during which the monitoring system is inoperative. These notifications, reports, and records are essential in determining compliance with 40 CFR Part 63, Subpart HHH.
On behalf of this Federal agency, I certify that the collection of information encompassed by this request complies with 5 CFR 1320.9 and the related provisions of 5 CFR 1320.8(b)(3).
The following is a summary of the topics, regarding the proposed collection of information, that the certification covers:
(i) Why the information is being collected;
(ii) Use of information;
(iii) Burden estimate;
(iv) Nature of response (voluntary, required for a benefit, or mandatory);
(v) Nature and extent of confidentiality; and
(vi) Need to display currently valid OMB control number;
If you are unable to certify compliance with any of these provisions, identify the item by leaving the box unchecked and explain the reason in the Supporting Statement.
02/28/2025
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