Journal of the Air & Waste Management Association最新文献_第5页

Strategies for testing the "irritation-signaling" model for chronic lung effects of fine acid particles. 细酸颗粒慢性肺效应“刺激信号”模型的测试策略。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-03-01 DOI: 10.1080/10473289.1990.10466689

D Hattis, S Abdollahzadeh, C A Franklin

{"title":"Strategies for testing the \"irritation-signaling\" model for chronic lung effects of fine acid particles.","authors":"D Hattis, S Abdollahzadeh, C A Franklin","doi":"10.1080/10473289.1990.10466689","DOIUrl":"https://doi.org/10.1080/10473289.1990.10466689","url":null,"abstract":"The \"irritation signaling\" model proposed that a long term contribution to chronic bronchitis might result from the repeated delivery of \"signals\" resulting from temporary localized acidification of the bronchial epithelium by the action of individual particles. This led to a prediction that the effectiveness of particles in inducing changes in mucus secreting cell numbers/types should depend on the number of particles deposited that contained a particular amount of acid--implying that particles below a certain size cutoff (and therefore lacking a minimum amount of acid) should be ineffective; and that particle potency per unit weight should be greatest at the cutoff and decline strongly above the cutoff. Since the development of this hypothesis both epidemiological observations and some experimental studies have tended to reinforce the notion that acid particles can make a contribution to relatively long lasting bronchitic-like changes, and enhance the desirability of more direct testing of the model. In this paper we develop a general theoretical framework for the contributions of environmental agents to chronic obstructive lung disease, and a series of alternative hypotheses against which the predictions of the \"irritant signaling\" model can be compared. Based on this, we suggest a research program that could be used to further develop and test the model and reasonable alternatives.","PeriodicalId":17202,"journal":{"name":"Journal of the Air & Waste Management Association","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"1990-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/10473289.1990.10466689","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13338383","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Fugitive emissions of NO2 from vented gas appliances in residences--a pilot study. 住宅内燃气设备的逸散性二氧化氮排放——一项试点研究。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-03-01 DOI: 10.1080/10473289.1990.10466695

D J Moschandreas, S M Relwani, E H Luebcke

引用次数: 3

Passive sampling for ozone. 臭氧被动采样。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-03-01 DOI: 10.1080/10473289.1990.10466694

C Monn, M Hangartner

引用次数: 47

An examination of the intra-SMSA distribution of carbon monoxide exposure. 一氧化碳暴露的smsa内分布的检查。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-03-01 DOI: 10.1080/10473289.1990.10466690

M Schwab

引用次数: 10

Impact of heating and air conditioning system operation and leakage on ventilation and intercompartment transport: studies in unoccupied and occupied Tennessee Valley homes. 供暖和空调系统的运行和泄漏对通风和车厢间运输的影响:在田纳西州山谷无人居住和有人居住的住宅中进行的研究。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-02-01 DOI: 10.1080/10473289.1990.10466676

T G Matthews, D L Wilson, C V Thompson, K P Monar, C S Dudney

{"title":"Impact of heating and air conditioning system operation and leakage on ventilation and intercompartment transport: studies in unoccupied and occupied Tennessee Valley homes.","authors":"T G Matthews, D L Wilson, C V Thompson, K P Monar, C S Dudney","doi":"10.1080/10473289.1990.10466676","DOIUrl":"https://doi.org/10.1080/10473289.1990.10466676","url":null,"abstract":"Forced-air heating and air conditioning (HAC) systems caused an average and maximum increase in air infiltration rates of 1.8- and 4.3-fold, respectively, during brief whole-house studies of tracer gas decay in 39 occupied houses. An average increase in air infiltration rate of 0.33 +/- 0.37 h-1 corresponded to an incremental air leak of 240 m3/h, based on approximate house volume. More detailed tracer gas decay studies were performed in basement, kitchen and bedroom locations of six homes with low air infiltration rates (i.e., less than 0.25 h-1). The HAC mixed the indoor air efficiently between measurement sites. HAC operation also caused 1.1- to 3.6-fold increases in air infiltration rates, corresponding to absolute increases of 0.02 to 0.1 h-1. In an unoccupied research house, three-fold increases in average air infiltration rate with HAC operation (i.e., from 0.13 to 0.36 h-1) were reduced to two-fold (i.e., from 0.10 to 0.18 h-1) by sealing the external HAC unit and crawlspace ductwork system. This sealing also resulted in a 30 percent reduction in crawlspace-to-indoor transport rates with the HAC turned on. Blower door tests indicated a less than 20 percent reduction in house leakage area.","PeriodicalId":17202,"journal":{"name":"Journal of the Air & Waste Management Association","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"1990-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/10473289.1990.10466676","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13456297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Determination of organic contaminants in residential indoor air using an adsorption-thermal desorption technique. 用吸附-热解吸技术测定住宅室内空气中的有机污染物。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-01-01 DOI: 10.1080/10473289.1990.10466667

C C Chan, L Vainer, J W Martin, D T Williams

{"title":"Determination of organic contaminants in residential indoor air using an adsorption-thermal desorption technique.","authors":"C C Chan, L Vainer, J W Martin, D T Williams","doi":"10.1080/10473289.1990.10466667","DOIUrl":"https://doi.org/10.1080/10473289.1990.10466667","url":null,"abstract":"This field study evaluated the ability of a multi-sorbent sampling tube/thermal desorption technique to identify and to provide quantitative data on volatile organic contaminants in indoor air. Air samples, from 12 Canadian homes, were collected on multilayer sorbent cartridges and analyzed using Adsorption/Thermal Desorption coupled with Gas Chromatography/Mass Spectrometry. The study included the identification and quantitation of 23 target compounds. Analysis of sorbent tubes fortified with these target compounds indicated that recoveries were greater than 70 percent and the precision was usually better than 15 percent. These organic compounds were found to be stable on the sorbent tubes for at least seven days. With some exceptions, the target compounds were usually detected at 1 to 10 micrograms/m3 in indoor air samples; other organics identified qualitatively were saturated hydrocarbons, unsaturated hydrocarbons, cyclic hydrocarbons, substituted aromatics, oxygenates, some halogenates and cyclic species such as camphenes/pinenes and carenes.","PeriodicalId":17202,"journal":{"name":"Journal of the Air & Waste Management Association","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/10473289.1990.10466667","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13456296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 48

A comprehensive survey of graduate education and training in hazardous waste management. 对危险废物管理方面的研究生教育和培训进行全面调查。

IF 2.7 4区环境科学与生态学

Journal of the Air & Waste Management Association Pub Date : 1990-01-01 DOI: 10.1080/10473289.1990.10466662

R H Kummler, C A Witt, R W Powitz, B Stern

引用次数: 1