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CPSC RIN: 3041-AC36 Publication ID: Spring 2023 
Title: Portable Generators 

In 2006, the Commission issued an advance notice of proposed rulemaking (ANPRM) under the Consumer Product Safety Act (CPSA) concerning portable generators. The ANPRM discussed regulatory options that could reduce deaths and injuries related to portable generators, particularly those involving carbon monoxide (CO) poisoning. In fiscal year 2006, staff awarded a contract to develop a prototype generator engine with reduced CO in the exhaust. Also, in fiscal year 2006, staff entered into an interagency agreement (IAG) with the National Institute of Standards and Technology (NIST) to conduct tests with a generator, in both off-the-shelf and prototype configurations, operating in the garage attached to NIST's test house.  In fiscal year 2009, staff entered into a second IAG with NIST with the goal of developing CO emission performance requirements for a possible proposed regulation that would be based on health effects criteria. After additional staff and contractor work, the Commission issued a notice of proposed rulemaking (NPRM) in 2016, proposing a performance standard that would limit the CO emission rates from operating portable generators. In 2018, two voluntary standards adopted different CO-mitigation requirements intended to address the CO poisoning hazard associated with portable generators. Staff developed a simulation and analysis plan to evaluate the effectiveness of those voluntary standards' requirements. In 2019, the Commission sought public comments on staff's plan. In August 2020, staff submitted to the Commission a draft notice of availability of the modified plan, based on staff’s review and consideration of the comments, for evaluating the voluntary standards; the Commission published the notice of availability in August 2020. In February 2022, staff delivered a briefing package to the Commission with the results of the effectiveness analysis and information on the availability of compliant generators in the marketplace. Staff concluded that the CO hazard-mitigation requirements of one standard are more effective than the other, but conformance to either standard is low. Staff intends to deliver a supplemental NPRM rule and a Final Rule on portable generators to the Commission in fiscal year 2023.

Agency: Consumer Product Safety Commission(CPSC)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: Not Yet Determined     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: 15 U.S.C. 2056    ]15 U.S.C 2058   
Legal Deadline:  None
Action Date FR Cite
Staff Sent ANPRM to Commission  07/06/2006 
Staff Sent Supplemental Material to Commission   10/12/2006    
Commission Decision  10/26/2006    
Staff Sent Draft ANPRM to Commission  11/21/2006    
ANPRM  12/12/2006  71 FR 74472   
ANPRM Comment Period End  02/12/2007    
Staff Releases Research Report for Comment  10/10/2012 
NPRM  11/21/2016  81 FR 83556   
NPRM Comment Period Extended  12/13/2016  81 FR 89888   
Public Hearing for Oral Comments  03/08/2017  82 FR 8907   
NPRM Comment Period End  04/24/2017 
Staff Sends Notice of Availability to the Commission  06/26/2019 
Commission Decision  07/02/2019 
Notice of Availability  07/09/2019  84 FR 32729   
Staff Sends Notice of Availability to Commission  08/12/2020 
Commission Decision  08/19/2020 
Notice of Availability  08/24/2020  85 FR 52096   
Staff Report on Effectiveness Evaluation of Voluntary Standards  02/16/2022 
Staff Sends (S)NPRM Briefing Package to Commission  03/08/2023 
Commission Decision  04/05/2023 
NPRM  04/20/2023  88 FR 24346   
NPRM Comment Period End  06/20/2023 
Staffs Sends Briefing Package to Commission  09/00/2023 
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Undetermined 
Small Entities Affected: Businesses  Federalism: Undetermined 
Included in the Regulatory Plan: No 
International Impacts: This regulatory action will be likely to have international trade and investment effects, or otherwise be of international interest.
RIN Data Printed in the FR: Yes 
Agency Contact:
Janet L. Buyer
Project Manager, Directorate for Engineering Sciences
Consumer Product Safety Commission
National Product Testing and Evaluation Center, 5 Research Place,
Rockville, MD 20850
Phone:301 987-2293