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OAR Policy and Guidance Metarecord

Document Title/Subject:
Deterioration Factors for Nonroad Diesel Engines
Related Documents:
Signed by: Robert Montgomery

Signature Date:

Contact:
Gregory Orehowsky
orehowsky.gregory@epa.gov

Filename(s):
http://www.epa.gov/ttn/oarpg/t2/memoranda/dfletter7.pdf

URL(s):



 

Regulatory Authority:
Title 2
Division/Director:
Certification and Compliance Division (OTAQ) /
Submitted By:
orehowsky.gregory
OGC Contact:
Paul Cort
OGC Phone#:
202-564-5573
Internet Contact:
Jeff Clark
Document Type:
Policy & Guidance Memos,
EPA Document Number:

Federal Register:
Supersedes:
Subject Category:
AIR
CO
ENVIRONMENTAL PROTECTION AGENCY
NOx
PM
Keywords:
Carbon monoxide
Engines
Nitrogen oxides
Particulate matter
Deterioration Factors nonroad offroad
Terms:
Automobiles and other vehicles
Test methods
Abstract:
This document provides guidance for the determination of deterioration factors (DFs) for nonroad diesel engines. Deterioration factors are applied to the emissions results from new engines and account for any increase in emissions over the regulated useful life of the engine.

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