Happy Holidays from Lakes Environmental!
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As 2024 comes to a close, we want to take a moment to say thank you - to all our clients and subscribers - for making this year such a success. Your support and trust mean the world to us, and it’s because of you that we love doing what we do every day.
Wishing you a joyful holiday season and a happy, healthy New Year! We’re excited to continue working together in 2025 and making it another fantastic year. Lakes Environmental will be closed the following days during the holidays:
December 24 |
Closed |
December 25 |
Closed |
December 26 |
Closed |
December 31 |
Closed |
January 1 |
Closed |
If you have an urgent matter requiring assistance during the holidays, please e-mail us at support@webLakes.com and we will respond to your inquiry as soon as we are back in the office.
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Exploring the Latest Updates to AERMOD: Webinar Recap
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On December 3, 2024, Lakes Environmental hosted a well-attended webinar to discuss the latest updates to the AERMOD Modeling System (version 24142), released by the US EPA on November 20, 2024. Participants from around the globe joined at two convenient sessions to learn about key advancements in this widely used air dispersion modeling system.
Webinar Highlights
The session covered significant updates, including:
- The inclusion of the RLINE mobile source type as a regulatory default option.
- The elevation of the Generic Reaction Set Method (GRSM) for NOx to NO2 conversion as a Tier 3 selection.
- Enhanced modeling for offshore sources with the COARE algorithms, introducing marine boundary layer parameterization.
The insights provided during the webinar equipped attendees with valuable knowledge about these changes and their potential impacts on modeling applications.
Stay tuned for upcoming opportunities to engage with our experts and enhance your understanding of air quality modeling tools and updates.
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Online AERMOD Training Course – Feb 11-12, 2025 – A Few Spots Left! |
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Our January online AERMOD course filled quickly! Register today for our next available 2-day online AERMOD course taking place on February 11 and 12, 2025 from 8:30am to 5:00pm (Central Time – Chicago, USA).
This course is almost full! Register now before space is gone!
Note: Due to the immense popularity of our online courses and small class sizes, we recommend registering and making payment as soon as possible to reserve your spot.
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Online CALPUFF Course with CASANZ – February 25-28, 2025 |
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Together with the Clean Air Society of Australia & New Zealand (CASANZ), we will hold an online CALPUFF air dispersion modeling course. Training will take place in four, 4-hour webinars from February 25 to 28, 2025 from 9:00am to 1:00pm (Australian Eastern Daylight Time) daily.
Register today!
Note: The above course will be based specifically on regulations for the Australia/New Zealand region.
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UPCOMING TRAINING COURSES |
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MODELING TIP |
U.S. EPA’s Guideline on Air Quality Models Published |
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In last month’s newsletter, we discussed that the U.S. EPA Administrator signed the final rule updating Appendix W to 40 CFR Part 51 – the Guideline on Air Quality Models. This final rule revised the scientific formulation in the AERMOD modeling system.
The final rule was published in the Federal Register (89 FR 95034) on November 29, 2024. Full text of the published version is available online and as a PDF. With this publication, the effective date for the rule is January 28, 2025. There is also a 1-year transition period through November 29, 2025, during which modeling protocols based on the 2017 version of the Guideline may be approved at the discretion of the appropriate reviewing authority.
Full technical details about the 2024 Appendix W Final Rule are available on the U.S. EPA webpage at https://www.epa.gov/scram/2024-appendix-w-final-rule. We encourage modelers to review the information for a full understanding of AERMOD’s technical options and capabilities.
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ENVIRONMENTAL NEWS ARTICLES |
Antarctica’s Irregular Heartbeat Shows Signs of Rapid Melting |
December 11, 2024 - Periods of sudden melting in the Antarctic ice sheet have been unearthed in a new climate record from over 20 million years ago by geoscientists led by the University of Leicester and the University of Southampton.
Read more → |
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Feeding Grazing Cattle Seaweed Cuts Methane Emissions by Almost 40% |
December 3, 2024 - Findings offer solution for more climate-friendly cattle farming. Seaweed is once again showing promise for making cattle farming more sustainable. A new study by researchers at the University of California, Davis, found that feeding grazing beef cattle a seaweed supplement in pellet form reduced their methane emissions by almost 40% without affecting their health or weight. The study was published today (Dec. 2) in Proceedings of the National Academy of Sciences.
Read more → |
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UPCOMING CONFERENCES |
2025 Conference Schedule |
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TCEQ Environmental Trade Fair and Conference (ETFC)
June 3-4, 2025 | San Antonio, TX | Booth # 216
Learn more →
Air & Waste Management Association’s 118th Annual Conference & Exhibition
June 9-12, 2025 | Raleigh, NC | Booth # 32 & 33
Learn more →
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LAKES SOFTWARE GROUP OF COMPANIES
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1-170 Columbia St. W.
Waterloo, ON N2L 3L3
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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.
For more information, please visit our web site at: www.webLakes.com.
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