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Titolo:
Method development and implementation for co-planar polychlorinated biphenyls (PCBs)
Autore:
Riley, CE;
Indirizzi:
US EPA, Emiss Monitoring & Anal Div, Res Triangle Pk, NC 27711 USA US EPARes Triangle Pk NC USA 27711 al Div, Res Triangle Pk, NC 27711 USA
Titolo Testata:
WASTE MANAGEMENT
fascicolo: 5, volume: 21, anno: 2001,
pagine: 465 - 470
SICI:
0956-053X(2001)21:5<465:MDAIFC>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Keywords:
polychlorinated biphenyls (PCBs); sewage sludge; incinerator; analytical tests;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
1
Recensione:
Indirizzi per estratti:
Indirizzo: Riley, CE US EPA, Emiss Monitoring & Anal Div, Res Triangle Pk, NC 27711 USA US EPA Res Triangle Pk NC USA 27711 s Triangle Pk, NC 27711 USA
Citazione:
C.E. Riley, "Method development and implementation for co-planar polychlorinated biphenyls (PCBs)", WASTE MAN, 21(5), 2001, pp. 465-470

Abstract

The Emission Measurement Center (EMG) in the Environmental Protection Agency's Office of Air Quality Planning and Standards was directed to conduct an emissions test program at a sewage sludge incinerator in support of a Maximum Achievable Control Technology (MACT) standard. One pollutant category of concern at these facilities was polychlorinated biphenyls, or PCBs. An objective of the test program was to measure co-planar PCBs in the incinerator emissions, the sewage sludge introduced to the incinerator, and the scrubber water effluent used in controlling the incinerator emissions. Co-planar PCB congeners are those having four or more chlorine atoms with only a few substitutions in the ortho positions, i.e. positions designated 2, 2', 6,and 6'. Thirteen PCB compounds are sometimes referred to as the "WHO PCBs," because the World Health Organization (WHO) has derived toxic equivalencyfactors for these congeners. Studies have shown that these dioxin-like compounds can react with the aryl hydrocarbon receptor. This same reaction is believed to initiate adverse health effects for dioxin and furan congeners. In order to conduct the co-planer PCB testing, the EMG had to develop analytical methods that could measure the 13 co-planar PCBs. The purpose of thetest program was to develop, evaluate, and implement analytical test methods capable of measuring co-planar PGBs in three matrices: incinerator stackgases, sewage sludge, and scrubber water effluents. The paper summarizes the initial development work that was performed in preparation of analyticaltest protocols that could measure co-planar PCBs in air, water, and sludgematrices. Following the method development, a MACT emissions test program was conducted at a sewage sludge facility in July 1999 and these data are also summarized in the paper. (C) 2001 Published by Elsevier Science Ltd.

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Documento generato il 04/12/20 alle ore 09:47:50