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EPA/AR RIN: 2060-AE29 Publication ID: Spring 1996 
Title: Nonroad Spark-Ignition Engines At or Below 19 Kilowatts (25 Horsepower)(Phase 2) 
Abstract: This action will establish the second phase of emissions standards for new nonroad spark-ignition engines at or below 19 kilowatts (25 horsepower), as required by section 213(a)(3) of the Clean Air Act as Amended. The Environmental Protection Agency (EPA) had been developing the second phase of small-engine regulations through a negotiated rulemaking, with representation by engine manufacturers, equipment manufacturers, emissions control manufacturers, equipment dealers, environment and public health interests, and State air programs. The negotiations came to an end on February 16, 1996 with no consensus reached. EPA will now develop the rulemaking through other means. ^PThe affected engines are used in lawn, garden, and utility equipment, such as lawnmowers, string trimmers, chain saws, and small pumps and generators. The first phase was established July 3, 1995 (60 FR 34582), effective for the 1997 model year, and was very similar to the tier 1 small-engine regulations developed by California for the same engines. Regulated pollutants are hydrocarbons, carbon monoxide, and oxides of nitrogen. 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
CFR Citation: 40 CFR 90   
Legal Authority: 42 USC 7547/CAA 213   
Legal Deadline:
Action Source Description Date
NPRM  Judicial  Original statutory deadline (5/15/92) is from 11/90 Clean Air Act Amendments. Other Judicial date: per U.S. District Court Consent Decree, EPA issued a preliminary technical report on 5/15/93.  04/30/1996 
Final  Statutory  Original statutory deadline (5/15/92) is from 11/90 Clean Air Act Amendments. Other Judicial date: per U.S. District Court Consent Decree, EPA issued a preliminary technical report on 5/15/93.  11/15/1992 
Final  Judicial  Original statutory deadline (5/15/92) is from 11/90 Clean Air Act Amendments. Other Judicial date: per U.S. District Court Consent Decree, EPA issued a preliminary technical report on 5/15/93.  04/30/1997 
Timetable:
Action Date FR Cite
NPRM  12/00/1996    
Final Action  12/00/1997    
Additional Information: SAN No. 3361. ^PRFA: Y
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Federal 
Small Entities Affected: Businesses 
Included in the Regulatory Plan: Yes 
Agency Contact:
Betsy McCabe
Environmental Protection Agency
Air and Radiation
NFEVL,
Ann Arbor, MI 48105
Phone:734 241-4344