CHEMICAL AND BIOLOGICAL ASSESSMENT OF AIRBORNE EMISSIONS FROM HAZARDOUS WASTES
危险废物空气排放物的化学和生物评估
基本信息
- 批准号:3755085
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:
- 资助国家:美国
- 起止时间:至
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
During the first 3-1/2 years of the present five-year grant period (i.e.,
October, 1987, to the present), Project I.2 concentrated on methods for
analyzing volatile and semivolatile toxicants in air samples, and
application of the methods to the characterization of various effluents at
or near sources and downward from them. During the renewal period, we will
continue these efforts and will expand on the more promising methods and
their applications. These methods include superficial fluid extraction
(SFE) of air sampling media, and its interfacing with mutagen bioassay,
immunoassay, and GC or GC-MS analysis. New directions for SFE will involve
programmed extraction for fractionating mixtures and interfacing with other
bioassays, including those using fish. Another promising line of study
involved measuring flux using both aerodynamic and chamber methods, which
will be continued with the addition of laboratory micro-chambers as field
simulators, and in situ field flux analyses with a new FT-IR system. The
remaining line to be continued-quantifying downwind distributions and their
effects using fog sampling and indicator metabolites in humans-will be
expanded to include marker chemicals indicative of toxic waste sites,
combustion sources, vehicular exhaust, and other sources, and by
interfacing with an ongoing project using wild sentinel animals as
indicators of exposure and air quality. An expanded theme through all
components of the project will be to determine the biological significance
of airborne residues, by focusing on methods which can accommodate
biological assay and by strengthened collaborations with other Superfund
investigators having assessment capabilities.
Specific objectives include the following:
I. Develop methods for sampling and analyzing vapors of toxicants in the
air overlying and downwind from waste sites.
II. Develop methods for determining volatilization flux of chemicals from
soil and water.
III. Determine toxic residue content of ambient air, rainwater, and
fogwater samples collected near waste disposal sites.
在本五年期补助金的头三年半(即:
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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{{ truncateString('JAMES N SEIBER', 18)}}的其他基金
CHEMICAL ENVIRONMENTAL PROBLEMS ASSOCIATED WITH MINING
与采矿相关的化学环境问题
- 批准号:
2154800 - 财政年份:1992
- 资助金额:
-- - 项目类别:
CHEMICAL/ENVIRONMENTAL PROBLEMS ASSOCIATED WITH MINING
与采矿相关的化学/环境问题
- 批准号:
2154801 - 财政年份:1992
- 资助金额:
-- - 项目类别:
CHEMICAL ENVIRONMENTAL PROBLEMS ASSOCIATED WITH MINING
与采矿相关的化学环境问题
- 批准号:
3104540 - 财政年份:1992
- 资助金额:
-- - 项目类别:
CHEMICAL ENVIRONMENTAL PROBLEMS ASSOCIATED WITH MINING
与采矿相关的化学环境问题
- 批准号:
2154802 - 财政年份:1992
- 资助金额:
-- - 项目类别:
CHEMICAL AND BIOLOGICAL ASSESSMENT OF AIRBORNE EMISSIONS FROM HAZARDOUS WASTES
危险废物空气排放物的化学和生物评估
- 批准号:
3840744 - 财政年份:
- 资助金额:
-- - 项目类别:
CHEMICAL AND BIOLOGICAL ASSESSMENT OF AIRBORNE EMISSIONS FROM HAZARDOUS WASTES
危险废物空气排放物的化学和生物评估
- 批准号:
3777201 - 财政年份:
- 资助金额:
-- - 项目类别:
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