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Severity of SO2-lnduced Leaf Necrosis on Caribbean, Scots, and Virginia Pine Seedlings so2诱导的加勒比、苏格兰和弗吉尼亚松树幼苗叶片坏死的严重程度
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466140
D. Umbach, D. Davis
{"title":"Severity of SO2-lnduced Leaf Necrosis on Caribbean, Scots, and Virginia Pine Seedlings","authors":"D. Umbach, D. Davis","doi":"10.1080/00022470.1986.10466140","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466140","url":null,"abstract":"Caribbean pine, an economically important tree of tropical lowlands, is at risk of SO2 exposure in certain locales. Twenty-week old seedlings of Caribbean, Scots, and Virginia pine were exposed to 0.5, 1.0, and 2.0 ppm SO2 (1300, 2600, and 5200 μm−3, respectively) for 1, 2, 4, and 8 h in modified controlled-environment chambers. Severity of SO2-induced leaf necrosis for each species was related to SO2 concentration and exposure duration using a regression model. The three dose-response relationships differed in detail, but Caribbean pine seedlings were generally as sensitive to SO2 as seedlings of the two highly sensitive temperate species. In addition, 173 4-wk-old Caribbean pine seedlings were exposed to 0.5 ppm SO2 for 4 h. Over one-half of these seedlings exhibited some necrosis and over one-sixth had more than 5 percent of leaf surface necrotic. It is concluded that Caribbean pine seedlings are highly sensitive to acute doses of SO2.","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91026387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Summary of the 1986 EPA/APCA Symposium on Measurement of Toxic Air Pollutants 1986年EPA/APCA有毒空气污染物测量研讨会摘要
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466147
R. Jayanty, S. Hochheiser
{"title":"Summary of the 1986 EPA/APCA Symposium on Measurement of Toxic Air Pollutants","authors":"R. Jayanty, S. Hochheiser","doi":"10.1080/00022470.1986.10466147","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466147","url":null,"abstract":"A joint conference cosponsored by APCA’s TP-6, TP-7, and TT-9 technical committees, and the Environmental Monitoring Systems Laboratory of the U.S. Environmental Protection Agency, was held in Raleigh, North Carolina, April 27-30, 1986. The technical program consisted of 95 presentations, held in ten separate technical sessions, on recent advances in the measurement and monitoring of toxic and other contaminants found in ambient and source atmospheres. Covering a wide range of measurement topics and superbly supported by 16 exhibitors of instrumentation and consulting services, the symposium was enthusiastically received by nearly 600 attendees from the United States and other countries. This overview contains a selection of the highlights from the technical presentations. A synopsis of the keynote address to the symposium is also included.","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76168674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Improving Baghouse Performance at the Monticello Generating Station 改善Monticello发电站的Baghouse性能
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466146
L. Felix, R. Merritt, K. Duncan
{"title":"Improving Baghouse Performance at the Monticello Generating Station","authors":"L. Felix, R. Merritt, K. Duncan","doi":"10.1080/00022470.1986.10466146","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466146","url":null,"abstract":"At the Monticello station, operated by the Texas Utilities Generating Company, lignite coal obtained locally in Titus and Hopkins Counties fuels each of the three units. Units 1 and 2 are identical 575-MW Combustion Engineering (CE) boilers, each of which discharges its effluent to a 36- compartment shake/deflate cleaned baghouse paralleled with four electrostatic precipitators (ESP). Unit 3 is a larger boiler and is followed by an ESP and a scrubber. The Unit 1 and 2 baghouses were designed to clean 80 percent of the flue gas. Since startup, these baghouses have regularly experienced flange-to-flange pressure drops in excess of 10 in. H2O, with large opacity spikes caused by ash bleeding through the bags after compartment cleanings. Because of higher-than-expected pressure drop, the baghouses receive only about 45-50 percent of the flue gas. Analysis has shown the Monticello lignite ash significantly differs from most other coal ashes. Testing has shown that the Monticello ash is not filtered effectively...","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76333552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Clean Air Act: Promises and Priorities 清洁空气法案:承诺和优先事项
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466134
J. Hair
{"title":"Clean Air Act: Promises and Priorities","authors":"J. Hair","doi":"10.1080/00022470.1986.10466134","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466134","url":null,"abstract":"Many of the nation's heavily polluted areas are substantially cleaner due the cooperative efforts of private industry, government and environmental group in fulfilling the goals of the Clean Air Act. However, too many communities missed the 1982 Clean Air Act deadline, neither reducing pollution to healthy levels nor developing plans to do so. Now as the final 1987 deadline approaches, it is anticipated that 30 major cities will still fall short of air pollution standards. Public opinion on the issue has been very clear with the American people remaining solidly behind clean air standards and initiatives. In fact, support for the Clean Air Act has increased since its enactment.","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88592204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automated Chemical Mass Balance Receptor Modeling 自动化学质量平衡受体模型
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466142
P. L. Hanrahan, J. Core
{"title":"Automated Chemical Mass Balance Receptor Modeling","authors":"P. L. Hanrahan, J. Core","doi":"10.1080/00022470.1986.10466142","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466142","url":null,"abstract":"Chemical mass balance (CMB) receptor modeling provides alternative or complementary methods to dispersion models for apportioning particulate source impacts. This method estimates particulate source contributions at a receptor by comparing the chemistry of the ambient aerosol to the chemistry of the emissions from the various sources. To minimize demands on the analyst and facilitate the processing of large volumes of data, an initial version of an automated CMB model has been developed and is operational on an IBM personal computer as well as on a Harris mini-mainframe computer. Although it currently does not have all the features of the more interactive manual model, it does show promise for reducing man-power demands. The automated model is based on an early version of the EPA CMB model, which has been converted to run on an IBM-PC or compatible microcomputer. It uses the effective variance method. The interactive manual model is also undergoing modifications under an EPA contract. Some of these new features of the EPA model have been included in one version of the automated model.","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86111098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Regulation of Toxic Air Pollutants Prepared Discussion 有毒空气污染物的管制准备讨论
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466148
Robert L. Miller
{"title":"The Regulation of Toxic Air Pollutants Prepared Discussion","authors":"Robert L. Miller","doi":"10.1080/00022470.1986.10466148","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466148","url":null,"abstract":"The APCA Critical Review entitled “The Regulation of Toxic Air Pollutants” was presented by Joseph A. Cannon, attorney of environmental law and former EPA Assistant Administrator for Air and Radiation. Mr. Cannon presented his review at the 79th APCA Annual Meeting and Exhibition, held in Minneapolis, Minnesota in June 1986. The Critical Review paper had been published in the May 1986 issue of JAPCA. Prepared discussions presented during the Critical Review session are published here, along with closing remarks by Mr. Cannon. Dr. Howard M. Ellis, chairman of the Critical Review Subcommittee of the Publications Committee, served as moderator of the 1986 Critical Review session.","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88361405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sources of nitroaromatic mutagens in atmospheric polycyclic organic matter. 大气多环有机物中硝基芳香诱变剂的来源。
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466141
T L Gibson
{"title":"Sources of nitroaromatic mutagens in atmospheric polycyclic organic matter.","authors":"T L Gibson","doi":"10.1080/00022470.1986.10466141","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466141","url":null,"abstract":"The distribution of mutagenic activity and nitroaromatic components of polycyclic organic matter (POM) in ambient air at industrial, urban, suburban, rural, and remote sites was studied using organic extracts from high volume aerosol samples. Direct-acting mutagens including 1-nitropyrene (1-NP), dinitropyrenes (DNP), and hydroxynitropyrenes (HNP) were measured by high performance liquid chromatography while the mutagenicity was determined in the Salmonella bioassay with strain TA-98. Benzo(a)pyrene (BaP), one of the possible precursors of nitroaromatic compounds in POM, was also measured. In comparing samples from a range of sites, TSP and the concentration of BaP per mass of particulate matter decreased, as expected, at greater distances from urban and industrial combustion sources. However, the concentrations of polar nitroaromatic POM compounds per mass of particles were higher at a remote site than in nonindustrial urban and suburban areas. The mutagenicity in particulate matter extracts from the rem...","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00022470.1986.10466141","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13575533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
In Full Sail and On Course 全速航行，航向正常
Journal of the Air Pollution Control Association Pub Date : 1986-09-01 DOI: 10.1080/00022470.1986.10466136
Joseph J. Sbporowski Ed.D.
{"title":"In Full Sail and On Course","authors":"Joseph J. Sbporowski Ed.D.","doi":"10.1080/00022470.1986.10466136","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466136","url":null,"abstract":"","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77182631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Status of the DOE/GEESI In-Duct Scrubbing Pilot Study DOE/GEESI管道内洗涤试验研究现状
Journal of the Air Pollution Control Association Pub Date : 1986-08-01 DOI: 10.1080/00022470.1986.10466133
K. Murphy, N. Shilling, H. Pennline
{"title":"Status of the DOE/GEESI In-Duct Scrubbing Pilot Study","authors":"K. Murphy, N. Shilling, H. Pennline","doi":"10.1080/00022470.1986.10466133","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466133","url":null,"abstract":"The recent promulgation of stack height regulations and possible changes in the National Ambient Air Quality Standards for sulfur dioxide and the associated dispersion model methodologies, could require older power plants to develop new compliance strategies and upgrade emission control systems. In such situations, an inexpensive, moderate removal efficiency flue gas desulfurization technology could maintain the cost effectiveness of these plants. Such a technology was selected by the Department of Energy for demonstration in its Acid Rain Precursor Control Technology Initiative. The process applies the rotary atomizer techniques developed for lime slurry dry flue gas desulfurization spray absorbers, and utilizes existing ductwork and particulate collectors. This induct scrubbing technology is anticipated to result in a dry desulfurization process of moderate removal efficiency. The critical elements for successful application are (i) adequate mixing for efficient reactant contact, (ii) sufficient residen...","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88322708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Rationale for an Eight-Hour Ozone Standard 八小时臭氧标准的基本原理
Journal of the Air Pollution Control Association Pub Date : 1986-08-01 DOI: 10.1080/00022470.1986.10466130
P. Rombout, P. Lioy, B. Goldstein
{"title":"Rationale for an Eight-Hour Ozone Standard","authors":"P. Rombout, P. Lioy, B. Goldstein","doi":"10.1080/00022470.1986.10466130","DOIUrl":"https://doi.org/10.1080/00022470.1986.10466130","url":null,"abstract":"","PeriodicalId":17188,"journal":{"name":"Journal of the Air Pollution Control Association","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1986-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90842933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 60
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