As atividades a serem realizadas na área do empreendimento RMB (Reator Multipropósito Brasileiro), cujas instalações e infraestrutura agregadas serão localizadas no estado de São Paulo, no município de Iperó, podem envolver a liberação de efluentes para o meio ambiente, seja de forma controlada ou não, do mesmo modo que qualquer outra instalação. Os hidrocarbonetos policíclicos aromáticos (HPAs) estudados neste trabalho apresentam comportamento ubíquo, são considerados compostos químicos com alta toxicidade, persistência no meio ambiente, potencial bioacumulativo e forte tendência de se biomagnificar. O objetivo desse trabalho foi determinar 14 dos 16 HPAs majoritários, classificados pela USEPA, nas amostras de águas superficiais e subterrâneas da área de instalação do RMB e seu entorno. Foram avaliados quatro períodos distintos utilizando uma metodologia já desenvolvida e validada por Brito (2009). Foi verificado o cenário atual em relação às concentrações dos HPAs nas águas da região que será construído o empreendimento, RMB, fornecendo uma visão geral do grau de contaminação ou não dos corpos hídricos, o que contribuirá com um banco de dados para pesquisas futuras. Paralelamente, foi validado e aplicado um método analítico já existente para avaliação de HPAs nos sólidos suspensos da coluna d\'água das amostras coletadas. A avaliação preliminar da área estudada demonstrou que o local do projeto RMB é preservado, mas alguns corpos d\'água ao redor da área, como o rio Sorocaba, apresentam concentrações significativas de HPAs, provavelmente em razão das atividades antropogênicas no entorno, indicando que a área precisa de uma maior atenção. Utilizando a técnica analítica de HPLC com detecção UV/vis, foram quantificados compostos como Acenaftileno Fluoreno e Fenantreno acima do valor legislado nas amostras de água. Foram observadas baixas concentrações de praticamente todos os compostos estudados no material em suspensão e alguns compostos como Fluoreno, Acenafteno, Acenaftileno e Benzo[b]fluoranteno, em concentrações mais altas, é necessário um programa de monitoramento constante, para que a partir dos dados obtidos, possa-se tomar decisões concisas de controle. / The activities to be carried out in the area of the RMB (Brazilian Multipurpose Reactor) project, whose aggregate facilities and infrastructure will be located in the state of São Paulo, in the municipality of Iperó, may release effluents into the environment, either in a controlled or not in the same way as any other installation. The polycyclic aromatic hydrocarbons (PAHs) studied in this work are ubiquitous and considered chemical compounds with high toxicity, persistence in the environment, bio accumulative potential and strong tendency to bio magnify. The objective of this study was to determine 14 of the 16 major PAHs, classified by the USEPA, in the surface and groundwater samples of the RMB installation area and its surroundings. Four distinct periods were evaluated using a methodology already developed and validated. The current scenario was verified regarding the PAHs concentrations in the waters of the region that will be built the RMB, providing an overview of the degree of contamination of the water bodies, which will contribute to a database for future research. At the same time, an analytical method was validated and applied to evaluate PAHs in the suspended solids of the water column of the collected samples. The preliminary evaluation of the studied area demonstrated that the site of the RMB project is preserved, but some water bodies around the area, such as the Sorocaba River, present significant concentrations of PAHs, probably due to the anthropogenic activities in the surroundings, indicating that the area needs more attention. Using the analytical HPLC technique with UV/vis detection, compounds such as acenaphthylene, fluorene and phenanthrene were quantified above the legislated value in the water samples. Although low concentrations of practically all compounds studied in the suspended material have been observed and some compounds such as fluorene, acenaphthene, acenaphthylene, and benzo[b]fluoranthene at high concentrations, a constant monitoring program is required to that from the data obtained, one can make concise decisions of command and control.

As the global demand for energy rises, there are significant efforts to find alternative energy sources. In the United States (US), these efforts are primarily motivated by a desire to increase energy security and reduce the potential impacts on climate change caused by carbon dioxide emissions from the burning of fossil fuels. Biofuels are considered a potential partial solution, which are being encouraged through public policy. Cellulosic ethanol is a biofuel that is required in increasing amounts over time as part of the Renewable Fuel Standards. Thus, researchers are exploring the environmental impacts of using this biofuel on a large scale. This dissertation research performed an environmental evaluation using the Life Cycle Assessment technique on Bioenergy Sorghum, a crop which was specifically produced as an energy crop, used in a conversion process (MixAlco version 1) that can produce cellulosic ethanol. Results indicate that the conversion process is highly optimized with minimal environmental concerns. Analysis of the crop production, however, demonstrate that further investigation is warranted regarding the depletion of natural resources and emissions from the fertilizers and pesticides/herbicides, due to large scale production of energy crops. A new policy is proposed to support the sustainable, environmentally responsible development of cellulosic ethanol in the US.

The main aim of this thesis is to investigate how environmental preference for the built environment, either in-situ or based on visual representations (e.g. visualisations of final architectural design), may be affected by three distinct variables. One of them is emotion, operationalised as the mood people are in at the time of the evaluation and the way people feel with regards to the environment. A second variable considers the participants' attention and how they may be influenced by task instructions. The third variable, intrinsically related to the second one, is how environmental preference may be influenced depending on the perspective taken at the time of the evaluation. The main research questions in this thesis are: a) How does emotion influence environmental preference? b) What is the impact of perspective-taking on environmental preference? c) What are the benefits of using emotional reactions to the environment as predictors of preference? These main research questions are addressed using both quantitative and qualitative methods, mainly quantitative, underpinned by a pragmatic approach. The unit of analysis in this thesis is the person who evaluates or judges an environment or a representation of it. Five studies are presented in this thesis. Study 1 (n=10) reports the results from interviews with practising architects in the city of Aberdeen. These results show that when designing architects take two distinct perspectives: a prescriptive inferential perspective and a self, referential perspective. These interviews are used to set the context within which this thesis operates: the presentation of design to people with no expertise in architecture and built environment disciplines. The remaining four studies directly address this thesis' main research questions. In Study 2 (n=133), Study 3 (n=146) and Study 5 (n=64) the effects of perspective-taking on different dependent variables are experimentally tested. The dependent variables are: perceived restorativeness (Study 2), environmental preference as measured via informational variables (Study 3), and the emotional reactions people have to representations of the environment (Study 5). Results of these studies show that perspective-taking carries an interpersonal perception bias whereby taking a perspective other than the self results in different environmental evaluation outcomes, but that this process can also be affected by formal training. The influences of emotion on environmental preference are directly explored in Studies 4 (n=32) and 5 (n=64). The results show that mood can have an influence on environmental preference by influencing the emotional reactions people have to the environment, but that these influences vary over time. Overall the thesis shows that perspective-taking and emotion have a range of influences on environmental preference in a built environment context, that these are important at the point at which architecture and built environment professionals design environments, and that timing of environmental evaluations in longitudinal assessments can make the difference between positive and less positive evaluations. This thesis' results are discussed in light of existing knowledge and some recommendations are made for future research and practitioners in architecture and built environment disciplines.

O Reator Multipropósito Brasileiro (RMB) é um reator nuclear de pesquisa, que mostra sua importância por trazer avanços nas áreas científica, tecnológica, econômica e social, viabilizando políticas públicas e objetivos estratégicos para o país. Qualquer empreendimento deve se submeter obrigatoriamente a uma licença ambiental junto ao órgão responsável, para que possa exercer sua atividade legalmente. A legislação ambiental disciplina o uso racional dos recursos ambientais e a preservação da qualidade ambiental. Sendo a água um recurso importante para a sustentação da vida no planeta, o presente trabalho teve como objetivo avaliar a qualidade da água superficial e subterrânea da área de influência do futuro uso industrial do Reator Multipropósito Brasileiro RMB, estabelecendo valores de referência para futuros programas de monitoramento de operações, bem como para licenças e regulamentos ambientais. Foram realizadas quatro coletas ao longo do ano de 2015 em dez pontos localizados na área de influência do futuro Reator Multipropósito Brasileiro (RMB), em Iperó/ SP, sendo seis pontos de água superficial e quatro de água subterrânea. Foram analisados 39 parâmetros sendo eles físico-químicos ânions e metais totais, realizados conforme os métodos de análises e técnicas analíticas da APHA AWWA WPCF, ABNT e EPA. As concentrações dos parâmetros analisados foram comparadas com os valores máximos estabelecidos pela Legislação Nacional - CONAMA 396/08 e Estadual - CETESB Nº 045/2014/E/C/I (2014) para água subterrânea e CONAMA 357/05 para água superficial. Os ânions e cátions majoritários foram empregados na classificação das águas por meio do diagrama de Piper para identificação das características naturais do corpo d\'água e do aquífero. Considerando os parâmetros analisados, todos os pontos de coleta apresentaram valores dentro dos limites estabelecidos pela Resolução CONAMA 396/08 e 357/05. A classificação hidroquímica encontrada por meio do diagrama de Piper permitiu concluir que a dissolução de carbonato é o processo dominante que controla os ânions majoritários da maioria das águas amostradas e a dissolução do sódio, potássio e cálcio dos cátions majoritários, variando em relação aos períodos de coleta. O ambiente em estudo encontra-se em bom estado de conservação, no que se refere à qualidade das águas superficiais e subterrâneas. / The Brazilian Multipurpose Reactor (RMB) is a nuclear research reactor, has fundamental importance in the cientific, technological, economic and social area, allowing publics policies and strategic goals for the country. Any enterprises have to submit a environmental license to the competent governmental entity, in order to proceed with its activities legally. The environmental regulation imposes the reasonable use of the environmental resources and preserves the environmental quality. Being the water a resource important to supports life on earth, the present work has the goal to evaluate the quality of surface and ground water from the influence area around the Brazilian Multipurpose Reactor facility, by establishing referential values to be used in the future monitoring programs, during the facility operation as well to maintain the environmental licenses. During 2015 four field campaigns were performed covering ten sampling points through the area of the future Brazilian Multipurpose Reactor facility, at Iperó/ SP, being six of the sampling points for surface water and four for groundwater. 39 parameters were analyzed, being physical and chemical, anions and total metals carried out according to APHA AWWA WPCF, ABNT e EPA, concerning the method and analytical technique. The amount resulted from the assays were compared against the maximum allowed values established by Resolution CONAMA 396/08 and CETESB Nº 045/2014/E/C/I/2014 for groundwater and Resolution CONAMA 357/05 for surface water. The major anions and cations were applied to the water classification, using Piper diagram, in order to identify the natural features of the body of water and aquifer. Regarding the analyzed parameters, all the samples met the Resolution CONAMA 396/08 e 357/05 requirements. The hidrochemical classification performed by Piper diagram allowed concluding the carbonate dissolution is the main process that controls the major anions of the majority water samples and the sodium dissolution, potassium and calcium of the major cations, varying according to the collection period. The studied environment is found to be in good conditions, regarding water quality both surface and groundwater.

A emissão de resíduos tem contribuído imensamente para que os seres humanos se tornem vulneráveis e expostos a elementos químicos tóxicos, dentre eles, o arsênio. Este elemento ocupa o primeiro lugar na lista de substâncias de elevada prioridade, com alto risco toxicológico e de exposição segundo a Agency for Toxic Substances and Disease Registry (ATSDR) do Centers for Disease Control and Prevention (CDC). A exposição ao arsênio está associada ao surgimento de vários tipos de câncer, diabetes, aterosclerose, doenças cardiovasculares, pulmonares, imunológicas, hematológicas, gastrintestinais, hepáticas, renais, neurológicas, dentre outras. Uma das mais importantes fontes antropogênicas de arsênio é a mineração, que pode contribuir para contaminação de solos, água, ar e alimentos. Um exemplo de contaminação ambiental por arsênio, no Brasil, ocorre na cidade de Paracatu-MG, devido à exploração de uma mina de ouro. Entretanto, pouco se sabe em relação às condições ambientais na região e aos níveis de exposição da população local. Neste sentido, este trabalho teve como objetivos: (i)-avaliar a concentração de arsênio em amostras de material particulado, amostras de água doce superficial (sub-bacia do rio Paracatu), solos e de água tratada disponível para o consumo humano em bairros próximos e distantes da região de mineração; (ii)- avaliar a concentração de arsênio em amostras de urina e unha de moradores dos bairros monitorados no item (i); e (iii) propor um método de remedição ambiental de amostras de águas contaminadas da região utilizando nanomaterial magnético. Os valores da concentração de material particulado apresentaram grandes variações entre as regiões em estudo, mas ficaram dentro do limite estabelecido pela ATSDR de 20 a 100ng/m3 para regiões urbanas. Já as amostras de águas superficiais apresentaram valores alterados em relação ao estabelecido de 10?g L-1 segundo o CONAMA 357 de 2005. As concentrações de As em água de beber em geral estiveram dentro dos limites estabelecidos. Os valores de As em urina e unha apresentaram valores mínimos menores que o limite de detecção (< LOD) e valores máximos de 9.210 ?g g-1 de creatinina em urina e 31.502 ng g-1 em unha. Finalmente, o método proposto para remediação química apresentou grande eficiência para adsorção de As, com capacidade máxima de adsorção de 37,3 mg g- 1. Além disso, sua aplicação na remediação das águas superficiais contaminadas ou em áreas de rejeitos da região de mineração é de extrema simplicidade / The emission of waste has contributed immensely to humans become vulnerable and exposed to toxic chemicals, among them, the arsenic. This element occupies the first place in the list of substances of high priority, with high toxicological risk and exposure according Agency for Toxic Substances and Disease Registry (ATSDR) of Centers for Disease Control and Prevention (CDC). Exposure to arsenic is associated with the appearance of various types of cancer, diabetes, atherosclerosis, cardiovascular disease, pulmonary, immunological, hematological, gastrointestinal, hepatic, renal, neurological, among others. One of the major anthropogenic sources of arsenic in the world is mining, which can contribute to contamination of soil, water, air and food. An example of environmental contamination by arsenic in Brazil occurs in the Paracatu city of -MG, due to the operation of a gold mine. However, little is known about the risks of the local population to arsenic exposure, although several effects typically associated with high exposure to this toxic chemical. Then, the aims of this study were: (i) assess the concentration of arsenic in particulate matter samples, surface freshwater samples (sub-basin of the Paracatu river), soil and of treated water available for human consumption in neighborhoods with nearby mining region; (ii) Evaluate the concentration of arsenic in urine and nail samples of residents from region of item (i); and (iii) propose a method for environmental remediation of contaminated water samples from the region using magnetic nanomaterial. The values of particulate matter concentration showed large variations between regions under study, but were within the limit established by ATSDR from 20 to 100 ng /m3 in urban areas. As for the surface water samples showed alterations values in relation with the 10?g L-1 established according to CONAMA 357 of 2005. The concentrations in drinking water generally were within the established limits. Soil samples showed high As concentrations. The values in urine and nail showed since lower values than the minimum limit of detection ( < LOD) until maximum values of 9,210?g g -1 creatinine in urine and 31,502ng g -1 in nail. Finally, the proposed chemical remediation method showed high efficiency for adsorption of As, with maximum adsorption capacity of 37.3 mg g-1. It is easily possible its application in the remediation of contaminated surface water or in areas of mining wastes.

Avaliação ambiental, biológica e médica foram realizadas em 17 cromadores de 9 galvânicas do Estado de São Paulo, sendo cinco de cromo decorativo e quatro de cromo duro. O ar do ambiente de trabalho foi coletado individual e estacionariamente durante a semana de trabalho. Amostras de urina dos cromadores, foram coletadas no início e final do período de trabalho, encontrando-se uma correlação entre cromo urinário final e cromo no ar de 0,5. Usou-se a Absorção Atômica com Forno de Grafite GFAAS para determinar-se a concentração de cromo no ar ( Cr-ar) e cromo urinário ( Cr-U). O cromo hexavalente Cr (VI) foi extraído dos filtros de membrana de PVC com porosidade 5 &#181;m com o tampão ácido acético/acetato de sódio, com a complexação do Cr (VI) feita por APDC. O complexo foi extraído com MIK. O limite de detecção foi de 1,1 &#181;g/L. O Cr-U foi analisado diretamente por GFAAS com o limite de detecção 0,50 &#181;g/L utilizando-se como modificador de matriz, nitrato de magnésio hexahidratado. Sem o modificador de matriz o limite de detecção foi de 0,14 &#181;g/L. As concentrações de Cr (VI) no ar nas galvânicas de cromo decorativo variaram de 0,3 a 64,6 &#181;g/m3 e nas de cromo duro variaram de 4,1 a 72,8 &#181;g/m3 , mostrando a inadequação de alguns sistemas de exaustão. 60% dos cromadores das galvânicas de cromo duro tinham o septo nasal perfurado e todos os cromadores avaliados clinicamente tinham alterações nas vias aéreas superiores. O Cr-Uf que é utilizado como indicador biológico para compostos solúveis de cromo hexavalente, em muitos casos seus valores deram menores que o Cr-Ui, necessitando-se de estudos mais aprofundados quanto a esse aspecto, para evitar que o trabalhador possa ser prejudicado com resultados nem sempre condizentes com sua exposição. / Environmental, biological and medical evaluations was made in 17th workers of 9 chrome plating plants of the State of Sao Paulo, being 5 of decorative chrome plating and 4 of hard chrome plating. Environmental air samples were individual and stationarily collected during are week. Worker\'s urine samples were collected in the starting and in the end of the working period and it was obtained a correlation of 0,5 between the final urine chromium content and chromium air content. Graphite Furnace Atomic Absorption Spectrometry GFAAS was used for the determination of the chromium levels in the air (Cr-air) and in the urine(Cr-U). The Cr (VI) was extrated of the PVC membrane filters with an acetic acid/sodium acetate buffer and the Cr (VI) was isolated with APDC/MIBK. The detection limit obtained was 1,1 &#181;g/L. The Cr-U was analised directly by GFAAS and the detection limit obtained was 0,50 &#181;g/L, using magnesium Nitrate as matrix modifier and 0,14 &#181;g/L without matrix modifier. The Cr (VI) concentration in the air was in the range of 0,3 to 64,6 &#181;g/m3 in the decorative chrome plating and of 4,1 to 72,8 &#181;g/m3 in the hard chrome plating, showing that the exhaust systems were inadequate. 60% of the workers of the hard chrome plating had perforation in the nasal cartilage and alI workers clinically evaluated presented alterations in the upper respiratory airway. The Cr-Uf that is used as biological indicator for the Cr(VI) soluble compounds, in many cases presented lower levels that the Cr-Ui showing that it is necessary more studies about this subject. In order to present inadequated results concerning the worker\'s exposition.

Environmental issues have gained importance due to global environmental threat, such as depletion of energy resources and the impacts of climate change. The building sector is responsible for almost half of the impacts on the environment. Hence, this study focuses on the importance of environmental impacts of building materials. In this regard, firstly, sustainability indicators for building materials were determined and the environmental impacts of selected building materials were studied. Then, the evaluation system BREEAM and the evaluation software BEES were selected and used to evaluate one block of bachelor flats and one of housing units in ODTUKENT, which is located in the Middle East Technical University campus in Ankara, Turkey. Building materials used for the construction of walls, floors and roofs were evaluated according to the indicators accepted by BREEAM and BEES. The results for both units were compared and it was seen that the block of bachelor flats takes lower ratings than the triplex unit for BREEAM and also lower values for BEES. Therefore, the block of bachelor flats has less environmental impact than the triplex unit. While evaluating the materials an exact match for all the materials used in the case buildings could not be found in these tools. Hence, it was not possible to exact results for these materials. In this regard, countries should determine their own evaluation indicators and develop their evaluation systems.

This paper examines an overview of the economic and environmental aspects of Underground Coal Gasification (UCG) as a viable option to the above ground Surface Coal Gasification (SCG). In addition, some highlights, hurdles and opportunities from early investment to successful commercial application of some worldwide UCG projects will be discussed. Global energy demands have prompted continual crude oil consumption at an astronomical pace. As such, the most advanced economies are looking for local and bountiful resources to challenge crude oil's dependence for which coal provides the best alternative so far. In the U.S, the Department of Energy (DOE), the National Energy Transportation Laboratory (NETL) along with the Lawrence Livermore National Laboratory (LLNL) continue to support pilot programs that develop improved methods for clean coal technologies to produce coal derived fuels competitive with crude oil fuels at about $30 per barrel. Lignite, the softest of the four types of coal, is the best candidate for underground coal gasification due to its abundance, high volatility and water to carbon content in its rock formation. The biggest challenge of modern humans is to find a balance of energy consumption, availability of resources, production costs and environmental conservation. Additionally, UCG has environmental benefits that include mitigating CO₂ emissions through Carbon Capture and Storage (CCS) and reduced overall surface pollutants, making it the preferred choice over SCG. / text

The current hydraulic system that function as the power source for operating the water jet steering device, need to be located inside of the hull to avoid possible environmental damage. This will cause a height difference from where the power supply will be located and where the output is needed. The research of literature and the limitations given by Rolls-Royce laid the basis for the simulation work. The lever concept is a development of the original layout from Rolls-Royce. The current lever concept was formed by simulation of the individual parts it consists of. The modeling work is a starting point for further design changes and improved solutions depending on what results are achieved when simulation is performed on the parts. The modeling work is not part of this report but can be seen in the other master thesis “Water jet steering concept - evaluation of an environmental design, Part 2” which is not yet done but it will be soon. All simulations made are simplified and they are a solid starting point for further work with dimensioning, material selection and calculations. The results of the simulation show that further development is required before a theoretically functioning concept is achieved. / Det nuvarande hydraulsystemet som verkar som kraftkälla för att manövrera vattenjetens styrsystem, måste flyttas till insidan skrovet för att undvika eventuell miljöskada. Detta kommer bidra till en höjdskillnad mellan vart kraften verkar och vart den behöver verka. Litteraturundersökningen och begränsningar som erhållits från Rolls-Royce låg till grund för simuleringsdelen. Hävarmskonceptet är en version utav original idén från Rolls-Royce. Det framtagna hävarmskonceptet konstruerades med hjälp av simuleringar utav de individuella delarna som ingår i konceptet. Modelleringen är en startpunkt för vidare utveckling av design och förbättrade lösningar baserat på resultaten som erhållits från simuleringen på de olika delarna. Modelleringen är inte en del utav denna rapport men kan ses i examensarbetet ”Koncept för vattenjet styrning - utvärdering av en miljövänlig konstruktion, Del 2” som ännu inte är färdigt men kommer bli det vid senare tillfälle. Alla simuleringar är förenklade och de är en bra startpunkt för vidare bearbetning med dimensionering, materialval och beräkningar. Resultaten från simuleringarna visar att vidare utveckling behövs innan ett teoretisk funktionellt koncept kan uppnås.

objetivo deste trabalho é desenvolver um modelo de gestão ambiental que analise os impactos econômicos identificados em empresas, visando preencher uma lacuna evidenciada na gestão empresarial – a falta de integração entre os aspectos econômicos da gestão ambiental. Tal proposta se justifica em função do entendimento dos aspectos ambientais no contexto empresarial ser uma necessidade para a competitividade das empresas nos mais variados segmentos. Entretanto, a compreensão das diversas variáveis que se relacionam com tais questões não é tarefa simples, tampouco realizada com freqüência pelas organizações. Nesse sentido, o presente trabalho apresenta um modelo econômico de gestão ambiental – MEGA. Com base na realização de um diagnóstico inicial, o modelo realiza análises dos custos operacionais ambientais, sua relação com a contabilidade ambiental e com os custos da qualidade ambiental. Para avaliar a relevância dos investimentos nesta área ou das ações desenvolvidas nesse sentido, o modelo utiliza análises mono e multicriteriais, bem como relações de benefício-custo para a avaliação econômica de tais fatores. A definição de indicadores ambientais e de planos de melhoria igualmente é utilizada. O modelo é aplicado em duas empresas do setor moveleiro. Em função de uma das empresas analisadas considerarem as questões ambientais nas decisões organizacionais a mais tempo do que a outra se observa a existência de uma quantidade mais elevada de análises avaliativas, enquanto que na outra empresa as análises foram propositivas. Contudo, destacam-se em ambas as empresas a limitação na base de dados para a utilização no modelo, onde os dados foram obtidos dos vários subsistemas existentes nas mesmas. Essas aplicações práticas do MEGA mostraram diferenças entre ambas no tratamento das questões ambientais, tanto nos aspectos qualitativos como nas análises quantitativas referentes às variáveis econômicas envolvidas nas análises. / The objective of this thesis is to develop an environmental management model that analyzes the economical impacts identified in companies, in order to fill a gap that is shown in management of many organizations – the lack of integration in the economical aspects of environmental management. Such purpose is justified by the understanding that the environmental aspects in the organizational context are a necessity for the competitiveness in companies of several sectors. However, the understanding of several variables that are related to these questions is not a simple task, and is not made frequently by the companies. In this way, the purpose of this study is to present an economical model of environmental management – MEGA. Based on a preliminary diagnosis, the model analyzes the operational environmental costs, their relationship with environmental accountancy and with costs of environmental quality. To evaluate the relevancy of investments in this area or the actions developed with this purpose, the model uses monocriterial and multicriterial analysis, as well as benefit-cost, for the economical evaluation of such factors. The definition of environmental indicators and the improvement plans are also used. The model was applied in two companies of the furniture sector. Since one of the analyzed companies considers the environmental questions in the corporate decisions for a longer time than the other one, it‟s observed the existence of a higher quantity of evaluating analysis, while in the other company the analysis were proposed. However, it appears on both companies the limitation on their database for use in the model, where de data were obtained in several sub-systems existing on them. The practice applications of MEGA showed the differences between both companies regarding the environmental questions, as in the qualitative aspects, as in the quantitative analysis regarding the economical variables covered in the analysis.