A Review of Vapor Intrusion Models
A complete vapor intrusion (VI) model, describing vapor entry of volatile organic chemicals (VOCs) into buildings located on contaminated sites, generally consists of two main parts: one part describing vapor transport in the soil and the other describing its entry into the building. Modeling the so...
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Veröffentlicht in: | Environmental science & technology 2013-03, Vol.47 (6), p.2457-2470 |
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creator | Yao, Yijun Shen, Rui Pennell, Kelly G Suuberg, Eric M |
description | A complete vapor intrusion (VI) model, describing vapor entry of volatile organic chemicals (VOCs) into buildings located on contaminated sites, generally consists of two main parts: one part describing vapor transport in the soil and the other describing its entry into the building. Modeling the soil vapor transport part involves either analytically or numerically solving the equations of vapor advection and diffusion in the subsurface. Contaminant biodegradation must often also be included in this simulation, and can increase the difficulty of obtaining a solution, especially when explicitly considering coupled oxygen transport and consumption. The models of contaminant building entry pathway are often coupled to calculations of indoor air contaminant concentration, and both are influenced by building construction and operational features. The description of entry pathway involves consideration of building foundation characteristics, while calculation of indoor air contaminant levels requires characterization of building enclosed space and air exchange within this. This review summarizes existing VI models, and discusses the limits of current screening tools commonly used in this field. |
doi_str_mv | 10.1021/es302714g |
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Modeling the soil vapor transport part involves either analytically or numerically solving the equations of vapor advection and diffusion in the subsurface. Contaminant biodegradation must often also be included in this simulation, and can increase the difficulty of obtaining a solution, especially when explicitly considering coupled oxygen transport and consumption. The models of contaminant building entry pathway are often coupled to calculations of indoor air contaminant concentration, and both are influenced by building construction and operational features. The description of entry pathway involves consideration of building foundation characteristics, while calculation of indoor air contaminant levels requires characterization of building enclosed space and air exchange within this. 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Sci. Technol</addtitle><description>A complete vapor intrusion (VI) model, describing vapor entry of volatile organic chemicals (VOCs) into buildings located on contaminated sites, generally consists of two main parts: one part describing vapor transport in the soil and the other describing its entry into the building. Modeling the soil vapor transport part involves either analytically or numerically solving the equations of vapor advection and diffusion in the subsurface. Contaminant biodegradation must often also be included in this simulation, and can increase the difficulty of obtaining a solution, especially when explicitly considering coupled oxygen transport and consumption. The models of contaminant building entry pathway are often coupled to calculations of indoor air contaminant concentration, and both are influenced by building construction and operational features. The description of entry pathway involves consideration of building foundation characteristics, while calculation of indoor air contaminant levels requires characterization of building enclosed space and air exchange within this. This review summarizes existing VI models, and discusses the limits of current screening tools commonly used in this field.</description><subject>Air Pollution, Indoor - analysis</subject><subject>Applied sciences</subject><subject>Atmospheric pollution</subject><subject>Biodegradation, Environmental</subject><subject>Buildings. Public works</subject><subject>Computer Simulation</subject><subject>Diffusion</subject><subject>Environmental Pollutants - analysis</subject><subject>Environmental Pollutants - metabolism</subject><subject>Exact sciences and technology</subject><subject>Indoor pollution and occupational exposure</subject><subject>Models, Chemical</subject><subject>Pollution</subject><subject>Pollution indoor buildings</subject><subject>Soil - chemistry</subject><subject>Volatile Organic Compounds - analysis</subject><subject>Volatile Organic Compounds - metabolism</subject><subject>Volatilization</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkE1LAzEQhoMotlYP_gFZBA8eVieZ3WRzEUrxo1ARRMVbyO4mdct2U5K24r93S2ur4GkO88w7Mw8hpxSuKDB6bQICEzQZ75EuTRnEaZbSfdIFoBhL5O8dchTCBAAYQnZIOgyRA3DZJef96NksK_MZORu96Znz0bCZ-0WoXBM9utLU4ZgcWF0Hc7KpPfJ6d_syeIhHT_fDQX8U6wTTeWwyKdFgnlAuLc0zWUKRJ6kwYHhihUADkhvNeYksExKLVHBT2jylorRcI_bIzTp3tsinpixMe4eu1cxXU-2_lNOV-ttpqg81dkvV_pJQtgq4XAcU3oXgjd3OUlArUWorqmXPfi_bkj9mWuBiA-hQ6Np63RRV2HGCiowj23G6CGriFr5pHf2z8BtY53tj</recordid><startdate>20130319</startdate><enddate>20130319</enddate><creator>Yao, Yijun</creator><creator>Shen, Rui</creator><creator>Pennell, Kelly G</creator><creator>Suuberg, Eric M</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope></search><sort><creationdate>20130319</creationdate><title>A Review of Vapor Intrusion Models</title><author>Yao, Yijun ; Shen, Rui ; Pennell, Kelly G ; Suuberg, Eric M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a435t-e8993e3b4169f1b89d0cb457e0e64f773e096ea66d328793c576edfb517df6a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Air Pollution, Indoor - analysis</topic><topic>Applied sciences</topic><topic>Atmospheric pollution</topic><topic>Biodegradation, Environmental</topic><topic>Buildings. Public works</topic><topic>Computer Simulation</topic><topic>Diffusion</topic><topic>Environmental Pollutants - analysis</topic><topic>Environmental Pollutants - metabolism</topic><topic>Exact sciences and technology</topic><topic>Indoor pollution and occupational exposure</topic><topic>Models, Chemical</topic><topic>Pollution</topic><topic>Pollution indoor buildings</topic><topic>Soil - chemistry</topic><topic>Volatile Organic Compounds - analysis</topic><topic>Volatile Organic Compounds - metabolism</topic><topic>Volatilization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yao, Yijun</creatorcontrib><creatorcontrib>Shen, Rui</creatorcontrib><creatorcontrib>Pennell, Kelly G</creatorcontrib><creatorcontrib>Suuberg, Eric M</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yao, Yijun</au><au>Shen, Rui</au><au>Pennell, Kelly G</au><au>Suuberg, Eric M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Review of Vapor Intrusion Models</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. 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source | MEDLINE; American Chemical Society Journals |
subjects | Air Pollution, Indoor - analysis Applied sciences Atmospheric pollution Biodegradation, Environmental Buildings. Public works Computer Simulation Diffusion Environmental Pollutants - analysis Environmental Pollutants - metabolism Exact sciences and technology Indoor pollution and occupational exposure Models, Chemical Pollution Pollution indoor buildings Soil - chemistry Volatile Organic Compounds - analysis Volatile Organic Compounds - metabolism Volatilization |
title | A Review of Vapor Intrusion Models |
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