OAR Policy and Guidance Metarecord

Document Title/Subject: Deterioration Factors for Nonroad Diesel Engines Related Documents: Deterioration Factors for Nonroad Diesel Engines dated February 28, 2000	Signed by: Gregory A. Green Signature Date: August 23, 2000 Contact: Gregory Orehowsky	Filename(s): http://www.epa.gov/ttn/oarpg/t2/memoranda/cort3.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: orehowsky.gregory
Document Type: Policy & Guidance Memos,	EPA Document Number: CCD-00-14 Federal Register:	Supersedes: Deterioration Factors for Nonroad Diesel Engines (February 28, 2000)
Subject Category: AIR CO COMPLIANCE AND ENFORCEMENT ENVIRONMENTAL PROTECTION AGENCY NOx PM	Keywords: Nitrogen oxides Pollutants Deterioration Factors Nonroad Engines Tier 1 standards Tier 2 standards certification	Terms: Air pollutants Regulations
Abstract: This document provides guidance to manufacturers of nonroad diesel engines on developing deterioration factors. This document discusses appropriate types of good engineering judgment for developing deterioration factors. Deterioration factors must be submitted by nonroad diesel engine manufacturers when applying for certification to EPA standards.