Record Display for the EPA National Library Catalog


Main Title In situ field portable fine particle measuring device {microform} /
Author Knollenberg, Robert G.
CORP Author Particle Measuring Systems, Inc., Boulder, CO.;Industrial Environmental Research Lab., Research Triangle Park, NC.
Publisher Industrial Environmental Research Laboratory, U.S. Environmental Protection Agency,
Year Published 1984
Report Number EPA/600/2-84/096; EPA-68-02-2668
Stock Number PB84-199793
Subjects Particle size determination ; Particles--Measurement
Additional Subjects Fines ; Spectrometers ; Air pollution control equipment ; Monitors ; Particles ; Design criteria ; Performance evaluation ; Light scattering ; Chimneys ; Industrial wastes ; Combustion products ; Field tests ; Optical equipment ; Fine particle stack spectrometer systems ; Air pollution detection ; Laser spectroscopy ; Stationary sources
Library Call Number Additional Info Location Last
NTIS  PB84-199793 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 228 p. ; 28 cm.
The report describes the design, development, and testing of an in situ fine particle measuring device--the Fine Particle Stack Spectrometer System (FPSSS). It is a laser-fed optical system with detection by near-forward light scattering. Sample volume is established by a high-resolution optical system that views particle images in a dark field through a masked beam splitter. The FPSSS covers an 0.5 to 11.0 micrometer size range with 60-channel resolution. Absolute theoretical accuracy is + or - 20% of size for completely unknown refractive index. The FPSSS is designed to operate continuously at in-stack temperatures up to 250C at flow velocities up to 30 m/sec. It has been laboratory characterized and field tested on coal-fired power plants at both the inlets and outlets of control devices. Its performance indicates good agreement with impactors and excellent agreement with opacity meters in computed mass loading and optical opacity. Its size resolution is greater than other currently known techniques. Its eventual use will be directed at characterizing particulate emissions of stacks or other stationary sources and qualitatively evaluating the performance and collection efficiencies of particulate control devices now in operation.
"May 1984." "EPA-600/2-84-096" Microform.