101. Welcome To Applied Environmental Consultants, Inc. Consultants located in Tempe, Arizona, USA who provide air dispersion modeling in support of air quality permitting and impact analyses as well as air quality regulatory compliance. http://www.aecinc.org/html/airimpact.html

Applied Environmental Consultants, Inc. 2465 West 12th Street, Suite 6 Tempe, AZ 85281 Phone: 480-829-0457 Fax: 480-829-8985 Air Impact Analyses Once permitting strategies are developed, AEC can identify and perform any air impact analyses which may be necessary to demonstrate compliance with applicable requirements. AEC's experience, coupled with the latest computer hardware and software capabilities, allows AEC to perform these analyses in a timely and cost-effective manner. Experience AEC has nearly 20 years of experience conducting air impact analyses including the full range of possible investigations from complex Prevention of Significant Deterioration (PSD) air impact analyses to simple screen modeling. Such analyses include: Screen Modeling NAAQS Protection Demonstrations PSD Increment Analyses Air Toxic Guideline Assessments Visibility Assessments Soil, Vegetation and Growth Impact Assessments AEC's modeling staff approaches each new project with the knowledge that every air impact analysis is unique and often requires innovative approaches to ensure that the predicted impacts are not overly conservative. AEC coord inates with the client and regulatory agencies to develop detailed modeling protocols for each project and, if necessary, AEC can make field measurements of meteorological and emissions parameters to ensure realistic model input variables. AEC has conducted air impact analyses of emissions from a variety of industrial and manufacturing processes including:

102. MESSAGES.TERADEX.COM - Science/Tech/Environment/Air Quality/Air Dispersion Model MESSAGES.TERADEX.COM Science/Tech/Environment/Air Quality/air dispersion modeling. Air Pollution Dispersion Modeling, mbeychok, 12/21/03 0116. http://messages.teradex.com/Science_Tech/Environment/Air_Quality/Air_Dispersion_

Add your Web Site Add Search to your Site Search: Current Group Entire Site Results per page: Output format: Long Short Match: All Any Boolean Consultants Software MESSAGES Science/Tech ... Air Dispersion Modeling Page 1 of 1 Post New Message Subject User ID Date/Time ... Air Pollution Dispersion Modeling mbeychok Dispersion Modeling of Air Pollutant Emissions mbeychok Dispersion Modeling of Air Pollutant Emissions mbeychok Message Boards Open messagelistings Post Message! Sign Up User Name: Password: Post in Real Time, Message Board E-Mail: webmaster@teradex.com Aaex Corp.

103. Sage Environmental Services An environmental consulting company based in Texas (with offices in Richardson, Austin and Beaumont)who offer services in air dispersion modeling, air permitting and compliance, risk management plans and offsite consequence analyses. http://www.sageenvironmental.com/services.htm

TYPES OF WORK PERFORMED FOR OUR CLIENTS AIR SERVICES Title V Operating Permits Prepare Permit Application Experience in Wisconsin, Illinois, Kansas, Arkansas, Missouri, Ohio, Oklahoma, Louisiana, and Texas over the past 6 years Develop Compliance Programs (Record Keeping, Reporting, and Monitoring) Title III and V Minor Source Determination Document Minor Source Status for Title III (Experience in Wisconsin, Illinois, Ohio, and Texas) Document Synthetic Minor Source Status for Title V (Experience in Ohio and Texas) NESHAP Compliance Programs Benzene Waste Operations (Experience at over 10 refining/petrochemical facilities) TAB Recalculations and Reviews for Overall Compliance Comprehensive Reports Demonstrating TAB per the Regulations Document Sampling Protocol Quality Assurance and Quality Control Plans Site Specific Health and Safety Plans MACT Compliance Programs Complete Information Requests (MACT Long Forms) Develop Compliance Programs Create Comprehensive Programs (Initial reporting to compliance with standards, record keeping, reporting, and monitoring requirements)

104. Aromatrix An odour control/abatement/design consultancy located in Singapore whose services include air dispersion modeling. http://www.aromatrix.com/AirDispersionModelling.htm

D ispersion Modelling Dispersion modelling is a mathematical means of providing estimates of the ambient concentrations in the vicinity of the emission sources. Aromatrix has extensive experience in performing modelling for project-specific needs such as complex terrain and aerodynamic downwash. Air dispersion modelling Dynamic Olfactometer Odour Control Laboratory Services Technical Service Air dispersion modelling Consultancy services Dispersion modelling has been successfully used in the following scenarios: Conducting environmental impact assessments of odour generating facilities. Formulating the specification of pollution and odour abatement equipment. Locating wastewater treatment vents to minimise odour nuisance.

105. Weiss Associates - Environmental Science, Engineering, And Management Services An environmental engineering, science and management firm headquartered in Emeryville, California, USA whose air quality services include air dispersion modeling. http://www.weiss.com/services/brochure/air-prog.html

Air Programs SERVICES Strategic Planning Emissions Management and Inventory Permitting Air Toxics/Health Risk Assessment Risk Management Plans Air Monitoring and Modeling Air Quality Conformity Assessment Compliance Auditing Sophisticated air quality modeling capabilities produce realistic estimates of downwind impacts. OVERVIEW The proliferation of air quality and air toxics laws and regulations over the past several years places substantial responsibilities on industries and governmental agencies alike. The Federal Clean Air Act amendments of 1990 and the specific requirements of Titles III and V increase federal control in addition to onerous local and state requirements for many facilities. EPA air quality conformity requirements for federal actions and transportation projects have made the air quality environmental assessment process for federally funded projects more difficult. Weiss Associates provides comprehensive professional services to assist in meeting all these requirements for both new and existing facilities. INDUSTRY EXPERIENCE Weiss Associates' Air Programs Group provides specialized professional services in air quality and air toxics consulting and engineering. The group has extensive project experience with industry and public sector clients, and has worked with local, state, and federal air quality regulatory agencies. This experience extends to international programs, including work on projects in Canada and the Commonwealth of Independent States. The group has worked in a large variety of industrial sectors, including oil and gas production, refining, and distribution; electric power production; cogeneration and waste-to-energy; chemical manufacturing; aerospace; semiconductor; biotech/pharmaceutical; food processing; and hazardous/solid waste treatment and disposal.

106. »»Reviews For Air Dispersion Modeling«« air dispersion modeling Reviews. Book reviews for air dispersion modeling sorted by average review score Atmospheric Dispersion http://www.booksunderreview.com/Science/Environment/Air_Quality/Air_Dispersion_M

Air Dispersion Modeling Reviews Related Subjects: Consultants Software Book reviews for "Air Dispersion Modeling" sorted by average review score: Atmospheric Dispersion Modeling Compliance Guide Published in Hardcover by McGraw-Hill Professional (21 October, 1999) Authors: Partha R. Dey and Karl B., Jr. Schnelle Amazon base price: Used price: Buy one from zShops for: Average review score: Excellent Book!! . It contains all the teory needed. The Authors have done an excellent job putting together, compiling and sorting the teory related with dispersion modeling. The Book is written in a clear way to let you go deep and deep on the phenomena of dispersion, and the tools (mathematicals/procedures/etc) are introduced as needed. The CDRom is an excellent to ilustrate and validate the teory and it let you begin the simulation process in a smooth way. Excellent Book! Workbook of Atmospheric Dispersion Estimates: An Introduction to Dispersion Modeling, Second Edition Published in Hardcover by Lewis Publishers, Inc. (05 May, 1994) Author: D. Bruce Turner

107. Liase Environmental, Inc. A consulting firm based in Dallas, Texas, USA offering air quality permitting and related environmental services including air dispersion modeling. http://www.liaise.org/airquality.html

AIR QUALITY RELATED SERVICES TNRCC Permits By Rule (Formerly Standard Exemptions) Title V Permitting Air Dispersion Modeling Pollution Control Technology Evaluation ... Visual Determination of the Opacity of Emissions from Stationary Sources Federal New Source Review (NSR) Permits Prevention of Significant Deterioriation (PSD) Permits Non-Attainment Area Permits What are Federal PSD and Nonattainment NSR Permits? Under Title I of the 1990 Clean Air Act Amendments, there are National Ambient Air Quality Standards (NAAQS) for criteria air pollutants, i.e.: ozone (associated with VOCs and NOx) carbon monoxide (CO) particulate matter (PM10) sulfur oxides (SOx) nitrogen dioxide (NO2) lead The United States is divided into attainment and nonattainment areas for each pollutant with respect to these NAAQS standards. A federal PSD permit may be required for major sources of pollutants in areas which are in attainment of the NAAQS and which meet certain other criteria. The program is designed to maintain good air quality with some allowances for economic growth. A non-attainment NSR permit may be required for major sources of pollutants in nonattainment areas which meet certain other criteria. Emissions increases must be offset and controls must be installed which meet the lowest acheivable emission rates.

108. Argent Consulting Services An environmental engineering and consulting firm headquartered in Houston, Texas, USA and offering services in air dispersion modeling, air permitting and compliance, and risk management plans. http://www.argentinc.com/html/air.html

109. MWH Global, Inc. An international environmental consulting, engineering and construction company with headquarters in Broomfield, Colorado, USA that is a merger of Montgomery Watson with Harza Engineering. Their services include air dispersion modeling, air permitting and compliance, odor evaluation and control, risk assessments and management, and emission inventories. http://www.mwhglobal.com/air_quality.asp

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110. PCR - Air Quality/Air Toxics An environmental consulting firm based in Southern California, USA, whose services include air dispersion modeling, stationary source permitting, and emission inventories, allotments, and mitigations. http://www.pcrnet.com/divisions/quals_air.htm

In metropolitan areas nationwide, air quality has become a defining issue in the approval of major development and infrastructure improvement projects. Small towns and big cities have been designated by the U.S. Environmental Protection Agency to be in a state of non-attainment with national ambient air quality standards. Founded in Southern California with some of the worst air quality in the nation, PCR from its inception has dealt with the most stringent air quality regulations with sophisticated yet cost-effective approaches. PCR personnel have performed major air quality assignments for clients regarding: International airports Major US ports and marinas Highway projects Several major movie studios Theme parks and stadiums Telecommunications alignments Large US and international oil refineries Local, state and federal agencies

111. Airquality An environmental consulting firm based in Coraville, Iowa, USA and a subsidiary of the Stanley Group. Their services include air permitting, risk management plans, emission inventories and air dispersion modeling. http://www.stanleygroup.com/sei/html/airquality.html

Stanley Environmental has been a leader in air quality analysis and consultation on both the state and federal level for over 30 years. With backgrounds in engineering, meteorology and physical sciences, our professional staff has addressed most requirements of the Clean Air Act and the amendments of 1977 and 1990. Key Services State/Local Construction Permits Prevention of Significant Deterioration Permit Applications Title V Operating Permits Dispersion Modeling Ambient Air Monitoring Risk Management Plans Emission Inventories As a part of the Title V operating permit requirements, an annual update of actual emissions for each Title V applicable facility must be conducted. Annually, Stanley Environmental Inc. develops approximately 25 of these emission inventories for chemical, manufacturing, utility, food products, and waste treatment facilities. Stack Testing Stanley Environmental, in association with nationally recognized stack test firms, conducts compliance stack tests for emission verification. Site preparation, agency liaison, test arrangements and observation and final report preparation, review, and submittal are part of the package provided by Stanley Environmental Inc. Service Request Form A Stanley Group Company.

112. Air Noise Environment Pty. Ltd. Environmental consultancy based in Brisbane, Australia specializing in stack emission testing and air dispersion modeling using AUSPLUME, CAL/AUSPUFF, ISC3, TAPM and AERMOD with particular emphasis on air dispersion from tunnels. http://www.ane.com.au

113. Woodard & Curran: Areas Of Expertise A multioffice environmental consulting firm headquartered in Portland, Maine, USA whose services include air dispersion modeling, air permitting and compliance, air toxics studies and risk management plans. http://www.woodardcurran.com/aoe_Info/SectorID/2/AOEID/1

Home Select a sector Air Quality Tailored approaches achieve and maintain compliance We have worked with a wide range of clients as they address these compliance issues: composites food processing water and wastewater facilities treatment hospitals incinerators pulp and paper industry manufacturing facilities ship and boat building Full range of air expertise new source review Title V permit applications minor source permit applications/registrations air quality dispersion modeling air toxics modeling risk management program rule requirements control technology requirements (MACT, BACT, RACT, LAER, BART, BPT) regulatory compliance audits periodic reporting requirements air emission inventories information management systems Meeting air standards over the long term Proving that a facility meets air quality standards today is not enough. We work with clients to demonstrate they can meet those standards over the long term. We address this need by: conducting needs assessments to understand regulatory and reporting requirements designing databases and reporting systems to manage the data associated with a facility's continuous air emissions monitoring programs identifying optimal operational approaches using computer modeling when needed to make sense of complex situations Related Projects Key Staff Dingley Press Title V Air Permit Application and Compliance Assurance Monitoring Plan at printing and bindery facility.

114. Air Quality An environmental consulting firm based in Research Triangle Park, North Carolina, USA whose air quality services include air permitting, compliance studies and air dispersion modeling. http://www.environmentalengineers.com/serviceair.html

AIR QUALITY SERVICES Air Permitting Before a corporation or a partnership can begin the construction of a new facility or complete the acquisition of an existing facility the proper air permits must be obtained. OMNI has had vast experience with these types of permits. Our professional staff can identify the needed permits and obtain them as quickly as possible so that construction and operations can begin. Air Quality Compliance Audit The Clean Air Act Amendments (CAAA) impact a number of industrial facilities with new requirements. OMNI assists with the sometimes difficult task of determining which regulations specifically affect the client's facility and in determining what is required to bring the client's facility into compliance. Air Quality Dispersion Modeling Computerized dispersion modeling is often required in support of all types of permitting activities. OMNI has the expertise in all aspects of dispersion modeling including preparation of modeling protocols and modeling plans, setting up/running models, data analysis and interpretation, and preparation of the modeling summary report usually included as part of the permit application. OMNI can customize the dispersion modeling to satisfy the state requirements of specific client needs.

115. PPM Consultants, Inc. Environmental consultants based in the south and southeastern United States (Louisiana, Alabama, Mississippi and Florida) whose services include air dispersion modeling, air permitting, risk management plans, and emission inventories. http://www.ppmco.com/main.php?page=services

116. General Physics Corporation Based in Columbia, Maryland, USA (with other offices in Canada, South America, Europe and Asia), General Physics is a firm of scientists, technologists and engineers whose air emissions management services include air dispersion modeling in support of air emissions compliance studies, offsite consequence analyses, and evaluation/selection of emission stack heights. http://www.gpworldwide.com/pdf/envir/envir_air_emission_mgmt.pdf

117. Anvil Corporation Engineering and design company headquartered in Bellingham, Washington, USA with other offices in the states of Washington, Montana and Alaska. Services include air dispersion modeling in support of air permitting, BACT and TBACT analyses, and compliance studies. http://www.anvilcorp.com/pdf/air3.PDF

118. Fluidyn A multinational company, based in St. Denis, France, offering technology solutions and consulting services in the field of computational fluid dynamics including air dispersion modeling for environmental impact studies, accidental releases, and risk assessments. http://www.fluidyn.com

var myUrl=""; var myUrl=""; Transoft in risk analysis for prestigious petroleum projects in South Asia Transoft announces software for analysis of ventilation and air conditioning systems fluidyn-VENTIL Transoft breaks ground in analysis of explosion cases Spécialiste mondial de la simulation numérique tridimensionnelle en Environnement en Risques Industriels et en Mécanique des fluides. A world leader in three dimensional computer simulation of Environment Industrial z Risks and Structural mechanics and Computational Fluid Dynamics problems. Home UserClub Download Papers ... Evaluation studies Transoft International -B est viewed in IE 4.0 and above under 800x600 resolution.

119. Environmental Articles, Reports & Technical Papers This section of the EnvironmentalExpert.com site has a searchable index of feature articles concerning air pollution, including feature articles on dispersion modeling. http://www.environmental-expert.com/article-index.htm

Search... Air Management Articles Books, CD Roms... Directory Equipment Events Jobs Journals/Magazines News Prof. Organizations Services Software Tools Training Enter email for free newsletter AIR: CARBON TRADING Carbon Trading: Making a market A Template for Assessing Corporate Performance: Benchmarking EHS Organizations MANAGEMENT: ENVIRONMENTAL POLICY Implementing the SEA Directive: sectoral challenges and opportunities for the UK and EU Free access to 1500+ Articles, Technical Papers, Reports, and Case Studies from industry experts, research institutes and public administrations world-wide. Articles can be searched by technical field, pollutant type, industry type or by keyword search. Contact us to find out how to submit your material.

120. AirNova, Inc. - Stack Testing, Stationary Source, And Air Pollution Emission Mon Services include stack testing, stationary source isokinetic sampling, continuous emission monitoring, compliance permitting, air toxics pollution emission sampling, ambient air quality dispersion modeling. http://www.airnova.com

AirNova, Inc. Stack Testing and Air Pollution Emission Monitoring Services An intense focus on air pollution emission services allows AirNova to provide clients with the highest level of technical expertise when confronted with environmental compliance and air pollution control issues. Services include isokinetic stationary source sampling for particulate, acid gases, dioxins and heavy metals, continuous emission monitoring, ambient and indoor air monitoring, source permitting, dispersion modeling, and analytical laboratory services. Complying with air quality guidelines is one of the key issues that small and large firms face today. As a leading Air Quality Services firm, our commitment to excellence and client satisfaction has been the foundation of our success. Staffed by professionals with diversified capabilities in engineering and the physical sciences, we have the expertise and resources to accomplish your goals ranging from meeting regulatory deadlines to anticipating future environmental programs. Routinely conducting compliance emission test programs enables AirNova to provide the level of quality that surpasses the rigorous technical testing requirements of most regulatory agencies. Routine Stack Testing Continuous Emission Monitoring Specialized Source Sampling Air Quality Permitting Services ... Laboratory Services Email: info@airnova.com

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