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        Environmental Software

Lakes Environmental Newsletter

Monthly Newsletter - October 2013


Lakes Environmental e-Newsletter

Emissions Inventory - Atmospheric Science - IT Solutions


In this issue:

  • News & Events
  • Upcoming Courses
  • Modeling Tip: Parameter Limits in CALPUFF
  • Articles
  • Upcoming Conferences & Trade Shows

News & Events

AERMOD – Orlando, Florida – Nov 18-19, 2013 – Course Filling Quickly!

The AERMOD course being held in Orlando from November 18 to 19, 2013 has just a few spots available.

Register Today to Reserve Your Spot!

Course: AERMOD (Nov 18-19, 2013)
Date: Nov 18-19, 2013
Location: Orlando, Florida
Info: Registration Form


Lakes Environmental at XV FIMAI in São Paulo, Brazil

The International Industrial Environment and Sustainability Fair (FIMAI), the largest environmental conference in Latin American, will take place from November 5 to 7, 2013 at the Blue Pavilion of Expo Center Norte in São Paulo, Brazil.

Dr. Jesse Thé will be a guest speaker on Tuesday, November 5, 2013 at 2pm at the FIMAI main venue.

Lakes Environmental at IUAPPA Congress 2013 in Cape Town, South Africa

Lakes Environmental would like to thank everyone who stopped by our booth in Cape Town at the 16th IUAPPA World Clean Air Congress from September 29 to October 4, 2013.

Those who visited our booth had the chance to participate in a draw for a complimentary copy of our AERMOD View software package.

We would like to take this opportunity to offer our congratulations to our software winner, Patricia Sithebe of the Ekuhuleni Metropolitan Municipality in South Africa.


IUAPPA Congress attendees also had the opportunity to hear Lakes Environmental's President, Dr. Jesse Thé present a paper regarding the benefits of real-time and forecast modeling systems.

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Upcoming Courses





Oct 28-29, 2013
Oct 30-31, 2013


São Paulo, Brazil

Register Now

Nov 18-19, 2013


Orlando, FL

Register Now

Feb 24-25, 2014
Feb 26-28, 2014


Dallas, TX

Register Now

Mar 10-11, 2014
Mar 12-13, 2014


Lima, Peru

Coming Soon

Apr 7-8, 2014
Apr 9-11, 2014


Las Vegas, NV

Register Now

May 5-6, 2014
May 7-8, 2014


Calgary, AB

Register Now

For more information on the above courses, including registration information, location, and course outlines, please visit our web site:

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Modeling Tip

Parameter Limits in CALPUFF

The CALPUFF modeling system is very sophisticated and supports a wide range of modeling scenarios. One drawback to this system is that, unlike the AERMOD model, there are finite limits on the model input parameters. For example, the CALPUFF model can only accept a finite number of sources in a single modeling run.

Each model executable (e.g., CALMET, CALPUFF, CALPOST) has a corresponding parameterization file which defines these limits. Lakes Environmental created an easy-to-read parameters list in CALPUFF View to aid users in finding these limits. To find the table:

  1. From the File menu, select Preferences.
  2. Under the EPA Models/Limits heading, go to the Model Version. Choose between the EPA Approved Version (CALMET/CALPUFF 5.8, CALPOT 6.221) or Version 6.42 (CALMET 6.334 – CALPUFF 6.42 – CALPOST 6.292).
  3. Next, select the executable of interest: CALPUFF, CALMET, or CALPOST.

  4. The Parameters List will be shown in the table. The parameters listed below are for the CALPUFF Version 5.8.

CALPUFF View users can also identify user-specified model executables and parameter files. Select the User-Specified radio button and select the Open button to identify the location of the desired executable and parameter file.

This allows users to run CALPUFF View with recompiled versions of the CALPUFF modeling system executables that have expanded parameter limits.

Submit Your Modeling Tips Today!

We are currently accepting submissions for the Monthly Modeling Tip section that appears in our newsletters. If you have a modeling tip that may benefit our readers, please send it to us at Your name and the name of your organization will appear below the tip providing you with an opportunity for increased exposure.

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Phasing Down HFCs with the Montreal Protocol

October 3, 2013 - On September 27, U.S. President Barack Obama met with Indian Prime Minister Manmohan Singh to discuss how to improve ties on a number of issues between the countries, including how to support efforts to phase-down the super greenhouse gases HFCs (hydrofluorocarbons). HFCs, primarily used in refrigeration, air conditioning, and foam blowing, are extremely harmful to the climate as they are hundreds and thousands of times more potent than carbon dioxide (CO2).

Read Full Article Here

Top Scientists Urge Cap on Carbon Emissions to Limit Climate Change

September 27, 2013 -Top climate scientists say in a new report that industrial carbon emissions need to be kept below a cumulative total of 1 trillion tons to avoid dangerous climate change — and they note that humanity has already used up more than half that allotment.

The Intergovernmental Panel on Climate Change said in the report that it is “extremely likely” human beings are the main drivers for the rise in temperatures recorded around the world over the last 50 years — the strongest words the panel has used to describe the effect humans are having on the planet.

Read Full Article Here

EPA Proposes Carbon Pollution Standards for New Power Plants

September 20 2013 - WASHINGTON - The U.S. Environmental Protection Agency (EPA) today proposed Clean Air Act standards to cut carbon pollution from new power plants in order to combat climate change and improve public health. In addition, EPA has initiated broad-based outreach and direct engagement with state, tribal, and local governments, industry and labor leaders, non-profits, and others to establish carbon pollution standards for existing power plants and build on state efforts to move toward a cleaner power sector.

Read Full Article Here

State Details its Air Quality Regulations for Fairbanks

September 20, 2013 - FAIRBANKS - The state released a package of proposed regulations to tackle air pollution in the areas of Fairbanks hardest hit by wintertime smoke on Friday, and depending on who you talk to they’re either “minimal,” unlikely to be enforced, or appalling.

The regulations were released by the Alaska Department of Environmental Conservation’s Division of Air Quality. Division Director Alice Edwards said they are aimed at balancing the need to meet federal air standards with residents’ need to heat their homes.

Read Full Article Here

Flying High on Research and Development

September 18, 2013 - Sixteen universities have been identified to participate in Research and Development grants to support the United States Government (USG) commitment to a reduction in greenhouse gases in the commercial airline industry. In response to ongoing global pressures to reduce the impact of commercial aviation on climate change the USG through the FAA is aggressively seeking alternative ways to reduce emissions.

The goal is to achieve carbon-neutral growth for U.S. Commercial aviation by 2020, equating to a reduction in carbon dioxide of 115 million metric tons (MT) over that time period. To meet this goal, the FAA has organized a Next Generation Air Transportation System (NextGen) initiative to achieve efficient aircraft operations and greenhouse gas emission reductions operationally and through airspace infrastructure improvements.

Read Full Article Here

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Upcoming Conferences & Trade Shows




Oct 22, 2013

A&WMA Ontario Section Fall 2013 Modelling Conference
More Info

Toronto, ON, Canada

Nov 6-9, 2013

Ecomondo 2013
More Info

Rimini, Italy

Nov 17-21, 2013

SETAC North America 34th Annual Meeting
More Info

Nashville, TN, USA

Dec 3-6, 2013

Pollutec Horizons 2013
More Info

Paris, France

Jan 12-17, 2014

SPARC (Stratosphere-Troposphere Processes and their Role in Climate) 2014 General Assembly
More Info

Queenstown, New Zealand

Jan 20-22, 2014

World Future Energy Summit
More Info

Abu Dhabi, UAE

Feb 3-5, 2014

Energy, Utility & Environment Conference (EUEC) 2014
More Info

Phoenix, AZ, USA

Mar 24-28, 2014

9th International Conference on Air Quality - Science and Application
More Info

Garmisch-Partenkirchen, Germany

Mar 26-28, 2014

GLOBE 2014
More Info

Vancouver, BC, Canada

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About this Newsletter

This newsletter contains information gleaned from various sources on the web, with complete links to the sources cited. Organizations cited are in no way affiliated with Lakes Environmental Software.

Lakes Environmental Software is a leading environmental IT company that offers a complete line of air dispersion modeling, risk assessment, emissions inventory, and emergency release software as well as training and custom software services. With satisfied users located around the globe, Lakes Environmental Software will continue to revolutionize the environmental software field.

For more information please visit our web site at:  You may also contact us by phone at (519) 746-5995 or by fax at (519)746-0793.

All comments and suggestions are welcome.  You can e-mail us at:

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