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        Environmental Software

Lakes Environmental Newsletter

Monthly Newsletter - September 2013


Lakes Environmental e-Newsletter

Emissions Inventory - Atmospheric Science - IT Solutions


In this issue:

  • News & Events
  • Upcoming Courses
  • Modeling Tip: W320 Message in AERMOD
  • Articles
  • Upcoming Conferences & Trade Shows

News & Events

AERMOD & CALPUFF Courses – São Paulo, Brazil – Oct 28-31, 2013 – Spaces Filling Quickly!

The AERMOD and CALPUFF courses being held in São Paulo from October 28 to 31, 2013 are filling up quickly!

Register Today to Reserve your Spot!

Course: AERMOD (Oct 28-29, 2013)

Course: CALPUFF (Oct 30-31, 2013)
Location: Sao Paulo, Brazil
Info: Registration Form


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

Lakes Environmental will be in beautiful Cape Town, South Africa at the IUAPPA Congress 2013 from September 29 to October 4, 2013. We invite you to stop by booth #4 to meet our knowledgeable staff and for your chance to win a FREE copy of our AERMOD View or CALPUFF View air dispersion modeling software!

During this years' congress, Dr. Jesse Thé will be presenting a paper entitled "Benefits of Advanced Analysis of Real-time and Forecast Modeling System". This presentation will take place on Thursday, October 3, 2013 at 2pm in Meeting Room 1.6 of the Cape Town International Convention Centre.


Lakes Environmental at A&WMA Ontario Section Fall 2013 Modelling Conference in Toronto – Oct 22, 2013

Lakes Environmental will be in Toronto to take part in the A&WMA Ontario Section’s Fall 2013 Modelling Conference on Tuesday October 22, 2013.

Dr. Jesse Thé will give a presentation regarding AERMOD and CALPUFF model sensitivities at the Air Dispersion Modelling break-out session. You can also visit our friendly sales staff at the exhibition - we look forward to seeing you!

For more information, please visit the Fall 2013 Modelling Conference website.


AERMOD Course in Orlando, Florida – Nov 18-19, 2013

Lakes Environmental will be in Orlando to present two days of AERMOD training from November 18 to 19, 2013.

Space is limited! Register today to take advantage of our early registration discount!

Early Registration Discount Ends: Oct 18, 2013

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


Lakes Environmental Closed for the Canadian Thanksgiving Holiday

Lakes Environmental's Waterloo office will be closed on Monday, October 14, 2013 to observe the Canadian Thanksgiving holiday. Though our Waterloo sales office will be closed, our Dallas support office will remain open on this day. If you have any needs during that time, please e-mail us at and we will respond to your inquiry as soon as possible.

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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

W320 Message in AERMOD

AERMOD performs several quality assurance checks on data when it begins processing inputs. As part of these checks, the model will write several warning and informational messages to the output file for the user to reference. One common message bears the warning code W320.

SO W320 PPARM:Input Parameter May Be Out-of-Range for Parameter

One of several different parameters may be the cause for this message:

  • Stack Temperature (TS)
  • Exit Velocity (VS)
  • Release Height (HS; volume or area source only)
  • Initial Lateral Dimension (SY; volume or area source only)
  • Initial Vertical Dimension (SZ; volume or area source only)

The bounds for this warning are coded directly into the model. You will see W320 if your source parameters exceed the following bounds:

  • Any parameter < 0
  • TS > 2000 K
  • VS > 50 m/s
  • HS > 100 m
  • SY or SZ > 200 m

Despite the warning, AERMOD will not change values which exceed the upper bounds of those parameters. For example, if a modeler inputs an exit velocity of 100 m/s, AERMOD will perform calculations with the assigned exit velocity. The message is simply to warn the user that the input value was outside expected bounds.

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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Beijing Issues New Measures Aimed at Curbing Air Pollution

September 2, 2013 - (Reuters) - Beijing unveiled yet another slew of measures on Monday to curb a choking pollution problem, including limiting the number of new vehicles on the roads and closing or upgrading the facilities of 1,200 companies.

China's smoggy capital has tried everything from shutting factories to a massive subway building program as it battles a severe air pollution problem, but with little apparent effect.

The latest measures are part of a broader plan to reduce the Chinese capital's density of harmful particles in the air by at least 25 percent by 2017.

Read Full Article Here

Deadly Effects of Air Pollution Detailed in MIT Study

August 29, 2013 -We know that pollution is bad for us, don't we? And we guess that living in areas with high levels of pollution is probably not good for our health, but we need to live near our job, and populated areas offer more employment opportunity, recreational and cultural opportunities and other advantages. But at what cost? And what can we do to reduce the levels of pollution without significantly changing the life styles we have all become accustomed to? Before we consider draconian changes, we would like to know just how bad it is.

Researchers from MIT's Laboratory for Aviation and the Environment have come out with some sobering new data on air pollution's impact on Americans' health.

Read Full Article Here

Israel National Program to Prevent Air Pollution Approved

August 25 2013 - The cabinet on Sunday approved a national program to prevent air pollution, a plan that the Environmental Protection Ministry said can save about 700 lives each year.

Now that the plans – more than a year and a half overdue – have received government authorization, the ministry will already be implementing some elements in as early as the coming weeks, such as a vehicle scrapping protocol and an overhaul of the quarry rehabilitation program, the ministry said.

By enforcing such measures to improve air quality, the ministry estimated that the number of deaths in Israel can be reduced by about 700 annually.

Read Full Article Here

China's State Council has Announced Plans to Make Green Industries Central to the Economy by 2015

August 15, 2013 - China is to fast-track expansion and investment in energy saving technologies in an attempt to tackle its worsening pollution problems.

China's cabinet, the State Council, recently announced plans to make the energy saving sector a "pillar" of the economy by 2015. In a statement the council said that under the new plan the environmental protection sector will grow by 15% on average annually, reaching an output of 4.5 trillion yuan (£474 billion / $438 billion USD).

China's massive economic growth has come at a major cost to its environment and even its environmental ministry has described the country's environmental situation as "grim".

Read Full Article Here

Australian Leader Scraps Tax on Carbon Emissions

July 17, 2013 - SYDNEY, AUSTRALIA - Prime Minister Kevin Rudd of Australia announced a plan Tuesday to replace a deeply unpopular tax on carbon emissions with a market-based trading system a full year ahead of schedule.

The decision to scrap the politically toxic tax, which narrowly passed into law with the support of the minority Greens Party, is the most significant policy change unveiled by Mr. Rudd since he regained the leadership of the nation from Julia Gillard in a party coup last month. The announcement comes as a raft of new polls show his Labor Party running neck and neck with the opposition for elections scheduled for Sept. 14.

Read Full Article Here

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Upcoming Conferences & Trade Shows




Sep 25-27, 2013

Clean Energy Expo Asia
More Info

Bangkok, Thailand

Sep 29 - Oct 4, 2013

16th IUAPPA World Clean Air Congress
More Info

Cape Town, South Africa

Oct 3-4, 2013

Science for the Environment Conference
More Info

Aarhus, Denmark

Oct 16-18, 2013

Remediation Technologies Symposium (RemTech) 2013
More Info

Banff, AB, Canada

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 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 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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