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Air Monitoring Techniques - Chemical Spills to Nuisance Odors

机译：空气监测技术 - 化学泄漏滋扰气味

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The United States Environmental Protection Agency - Environmental Response Team (U. S.EPA-ERT) was established in October 1978 to provide technical assistance to On- Scene Coordinators (OSCs), Regional Response Teams (RRTs), and U.S.EPA offices, for oil spills, hazardous waste activities, and accidental chemical release situations. Most of the responses have involved air monitoring to determine potential exposures to hazardous air pollutants (HAPS). Supporting the ERT is the Response Engineering and Analytical Contract (WAC), which provides technical support and expertise. To determine the potential exposures to HAPS, a variety of sampling and monitoring techniques are used, in a systematic approach, including a Trace Atmospheric Gas Analyzer (TAGA) system, an Open Path Fouier Transform Infrared (FTIR) system, various gas ChromotragrapW mass spectrometer (GCMS) systems, and a full range of sampling methods. This paper is based upon an actual case study in which the nature of the reported problem could have been due to a chemical spill, underground contamination or nuisance odors from a number of sources. Although the name of the site cannot be released at this time, it is located in U.S.EPA Region I. To evaluate this situation, the area was investigated with a TAGA system, Summa? canister sampling, soil gas on-site sampling, and traditional grab sampling methods using collection media and sampling tubes. In addition, this response utilized infrared aerial photography, and on-site meteorological data collection. This paper describes the methodologies used for a specific program and their capability for providing information on whether the situation involved a chemical spill, a nuisance odor or some other chemical exposure.
机译：美国环境保护局 - 环境反应团队（USEPA-ERT）成立于1978年10月，为现场协调员（OSC），区域响应小组（RRTS）和USEPA办事处提供技术援助，为石油泄漏提供技术援助，危险废物活动和意外化学释放情况。大多数反应都涉及空气监测，以确定危险空气污染物（HAPS）的潜在暴露。支持ERT是响应工程和分析合同（WAC），可提供技术支持和专业知识。为了确定HAP的潜在风险，在系统方法中使用各种采样和监测技术，包括痕量大气气体分析仪（TAGA）系统，开放路径FOUIER变换红外（FTIR）系统，各种气体母版谱系谱仪（GCMS）系统，以及全系列的采样方法。本文基于实际的案例研究，其中报告的问题的性质可能是由于来自许多来源的化学泄漏，地下污染或滋扰的气味。虽然目前无法释放该网站的名称，但它位于U.S.Eva地区I.为了评估这种情况，该地区被调查了Taga系统，Summa？使用收集介质和采样管，罐采样，土壤燃气现场采样，以及传统的抓取采样方法。此外，此响应利用红外线摄影，以及现场气象数据收集。本文介绍了用于特定程序的方法及其能力，以提供有关情况是否涉及化学泄漏，滋扰气味或其他一些化学照射的信息。

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