The validation of a passive sampler for indoor and outdoor concentrations of volatile organic compounds [0.03%]
用于检测室内和室外挥发性有机物浓度的被动采样的验证
M A Cohen,P B Ryan,Y Yanagisawa et al.
M A Cohen et al.
Volatile organics compounds (VOCs) are ubiquitous in the air we breathe. The use of passive samplers to measure these concentrations can be an effective technique. When exposed for long durations, a passive sampler may be a good tool for in...
Identifying ecological indicators: an environmental monitoring and assessment program [0.03%]
生态环境指标识别——环境监测与评估项目
S M Bromberg
S M Bromberg
The U.S. Environmental Protection Agency is initiating the Environmental Monitoring and Assessment Program (EMAP) to monitor the status and trends of the nation's near-coastal waters, forests, freshwater wetlands, surface waters, agroecosys...
Impact of "designated smoking area" policy on nicotine vapor and particle concentrations in a modern office building [0.03%]
指定吸烟区政策对现代办公建筑尼古丁气溶胶和颗粒物浓度的影响
W M Vaughan,S K Hammond
W M Vaughan
A series of measurements of nicotine vapor and particle concentrations were carried out in a modern office building. The measurement program was designed to document the impact of the new smoking policy (e.g. smoking restricted to two speci...
Overview of proposed air emission standards and guidelines for municipal waste combustors [0.03%]
拟议的城市固体废物焚烧尾气排放标准和准则概述
M G Johnston,W H Stevenson
M G Johnston
The EPA proposed regulations for municipal waste combustors (MWCs) on December 20, 1989. The regulations include (1) performance standards under Section 111(b) of the Clean Air Act (CAA) for new, modified, or reconstructed MWCs and (2) draf...
A field intercomparison and fundamental characterization of various dust samplers with a reference sampler [0.03%]
几种颗粒物采样器的基准采样器现场比对及基本特性测试研究
W Holländer,G Morawietz,D Bake et al.
W Holländer et al.
The European Economic Community Council Directive 80/779/EEC describes air quality limit values and guide values for sulfur dioxide and suspended particulates. However, article 10, paragraph 1 does not define well enough the reference metho...
Woodstove smoke and CO emissions: comparison of reference methods with the VIP sampler [0.03%]
炉灶烟煤排放：参考方法与VIP采样器的比较
D R Jaasma,M C Champion,J W Shelton
D R Jaasma
A new field sampler has been developed for measuring the particulate matter (PM) and carbon monoxide emissions of woodburning stoves. Particulate matter is determined by carbon balance and the workup of a sample train which is similar to a ...
Evaluation of radon mitigation systems in 14 houses over a two-year period [0.03%]
十五栋房屋两年期氡缓解系统评估研究
R J Prill,W J Fisk,B H Turk
R J Prill
Fourteen single-family detached houses in Spokane, Washington, and Coeur D'Alene, Idaho, were monitored for two years after high concentrations of indoor radon had been mitigated. Each house was monitored quarterly using mailed alpha-track ...
A Fisher,F R Johnson
A Fisher
Those responsible for state and local radon programs often express frustration about the small share of homes that have been tested for radon, and the small share of those with high readings that have been mitigated. There are now a number ...
Characterizing the occurrence, sources, and variability of radon in Pacific Northwest homes [0.03%]
太平洋西北地区住宅中氡的分布、来源及变化特征
B H Turk,R J Prill,D T Grimsrud et al.
B H Turk et al.
A compilation of data from earlier studies of 172 homes in the Pacific Northwest indicated that approximately 65 percent of the 46 homes tested in the Spokane River Valley/Rathdrum Prairie region of eastern Washington/northern Idaho had hea...
B A Tichenor,L A Sparks,J B White et al.
B A Tichenor et al.
Evaluation of indoor air pollution problems requires an understanding of the relationship between sources, air movement, and outdoor air exchange. Research is underway to investigate these relationships. A three-phase program is being imple...