Overview of the U.S. Environmental Protection Agency's Hazardous Air Pollutant Early Reduction Program [0.03%]
J Laznow,J Daniel
J Laznow
Under provision of the Clean Air Act Amendments of 1990 Title III, the EPA has proposed a regulation (Early Reduction Program) to allow a six-year compliance extension from Maximum Achievable Control Technology (MACT) standards for sources ...
W B Grant,R H Kagann,W A McClenny
W B Grant
Enactment of the Clean Air Act Amendments (CAAA) of 1990 has resulted in increased ambient air monitoring needs for industry, some of which may be met efficiently using open-path optical remote sensing techniques. These techniques include F...
Analysis of complex mixtures of vapors in ambient air by fast-gas chromatography [0.03%]
快速气相色谱法分析环境空气中的复杂有机气溶胶混合物
H Ke,S P Levine,R Berkley
H Ke
The use of Fast-GC was investigated for the separation and analysis of mixtures of organic vapors in ambient air. Mixtures of up to 34 components were separated and total analysis times ranged from 8 to 100 seconds. Analyses were performed ...
Measurement of personal carbon monoxide exposures by mailed passive sampler [0.03%]
邮寄分发型被动采样器在个人一氧化碳暴露测量中的应用研究
K Lee,Y Yanagisawa,J D Spengler et al.
K Lee et al.
S T Rao,G Sistla,R Henry
S T Rao
The purpose of this paper is to demonstrate the use of some statistical methods for examining trends in ambient ozone air quality downwind of major urban areas. To this end, daily maximum 1-hr ozone concentrations measured over New Jersey, ...
P A Koushki,K H al-Dhowalia,S A Niaizi
P A Koushki
This paper focuses on the auto commuting micro-environment and presents typical carbon monoxide (CO) concentrations to which auto commuters in central Riyadh, Saudi Arabia were exposed. Two test vehicles traveling over four main arterial ro...
A rapid in situ respiration test for measuring aerobic biodegradation rates of hydrocarbons in soil [0.03%]
一种测定土壤中烃类好氧生物降解速度的快速现场呼吸法测试方法
R E Hinchee,S K Ong
R E Hinchee
An in situ test method to measure the aerobic biodegradation rates of hydrocarbons in contaminated soil is presented. The test method provides an initial assessment of bioventing as a remediation technology for hydrocarbon-contaminated soil...
NCLAN results and their application to the standard-setting process: protecting vegetation from surface ozone exposures. National Crop Loss Assessment Network [0.03%]
NCLAN结果及其在标准制定过程中的应用：保护植被免受地面臭氧的影响.NCLAN：国家农作物损失评估网络
A S Lefohn,J K Foley
A S Lefohn
The current form of the standard is not appropriate for protecting vegetation from O3 exposures. As an alternative to the current form of the standard, it has been suggested in the literature that a maximum cumulative 3-month SUM06 O3 expos...
Reactivity-based hydrocarbon controls: scientific issues and potential regulatory applications [0.03%]
基于反应性的烃类控制：科学问题及潜在监管应用
B E Croes,J R Holmes,A C Lloyd
B E Croes
The California Air Resources Board and the South Coast Air Quality Management District hosted a conference on April 8-9, 1991 to examine the scientific issues associated with reactivity-based hydrocarbon controls, and to identify the obstac...