OLS : Record

RECORD NUMBER: 28 OF 649

Main Title

An investigation of photoacoustic spectroscopy as a technique for measuring diesel particulate emissions /

Author

CORP Author

Environmental Protection Agency, Ann Arbor, MI. Standards Development and Support Branch.

Publisher

U.S. Environmental Protection Agency, Office of Air, Noise and Radiation, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, Standards Development and Support Branch,

Place Published

Ann Arbor, Mich.

Year Published

1980

Report Number

EPA-AA-SDSB-80-19

Stock Number

PB81-232951

OCLC Number

723175298

Subjects

Particles; Air pollution; Feasibility; Exhaust emissions; Air pollution detection; Photoacoustic spectroscopy; Diesel engine exhaust; Light duty vehicles; Heavy duty vehicles

Subject Added Ent

Automobiles--Motors--Exhaust gas.; Air quality--Standards--United States.; Motor vehicles--Motors--Exhaust gas.; Air--Pollution--Research.; Trucks--Motors (Diesel); Diesel motor exhaust gas.; Trucks--Motors--Exhaust gas.

Internet Access

Description	Access URL
	http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=9100X03C.txt

Holdings

Library		Call Number	Additional Info	Location	Date Modified
ELCD		EPA AA-SDSB-80-19		NVFEL Library/Ann Arbor, MI	05/16/2011
NTIS		PB81-232951	Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.	NTIS	06/23/1988

Collation

[8] p. ; 28 cm.

Abstract

EPA is in the process of proposing a particulate emission standard for heavy duty diesel vehicles. With this mandated requirement to regulate particulate emissions, EPA must propose a test procedure for the measurement of particulate emissions from diesel engines. A draft recommended practice for measuring particulate emissions from heavy duty diesel engines has already been developed and described in a previous report. In the draft recommended practice, the necessary additions and changes to the current Federal Test Procedure (FTP) were discussed and generally involved (1) the use of a dilution tunnel coupled with a constant mass sampler and (2) the use of filter media to collect the particulate matter over both the cold and hot start portions of the test. The latter of these two requirements (i.e., filter measurements) is of special interest here. The technique of photoacoustic spectroscopy may be an attractive alternative to filter measurements in that it would bring about instantaneous measurement and a short data processing time. This report will investigate present applications of photoacoustic spectroscopy, and discuss the feasibility of this technique as an alternative to filter measurements for certification testing of light-duty disesel vehicles and heavy duty diesel engines.

Notes

Technical report. Cover title. "EPA-AA-SDSB-80-19." "September, 1980." Includes bibliographical references (p. [7-8]).

Corporate Au Added Ent

United States. Environmental Protection Agency. Office of Air, Noise and Radiation. Office of Mobile Source Air Pollution Control. Emission Control Technology Division. Standards Development and Support Branch.

NTIS Title Notes

Technical rept..

PUB Date Free Form

Sep 80

Category Codes

14B; 68A; 99A

NTIS Prices

PC A02/MF A01

Primary Description

200/05

BIB Level

Control Number

323802168

OCLC Time Stamp

20110513123815

Cataloging Source

OCLC/T

Language

eng

Origin

OCLC

Type

MERGE

OCLC Rec Leader

01538nam 2200349Ka 45020

OLS : Record

RECORD NUMBER: 28 OF 649

Local Navigation