LEHDER To Host AWMA Breakfast Series January 19, 2016

     Posted by LEHDER News on

AWMA Ontario SectionLEHDER is pleased to be hosting the AWMA Breakfast series on Tuesday, January 19th, 2016. Eric Loi, a Senior Engineer Industrial Specialist from the Air Policy Instruments and Program Design Branch of the MOECC will be presenting on the Recent amendments to the Greenhouse Gas Emission Reporting Regulation to Support Cap and Trade

The Sarnia Breakfast will teleconference into the session taking place in Toronto.  

Sign-In and Breakfast - 7:30 A.M. (Please email us with any food allergies or restrictions prior to January 14, 2016.)
Presentation - 8:00 A.M. until 9:00 A.M.

LEHDER Environmental Services Limited
Suite 210, 704 Mara Street
Point Edward, Ontario
N7V 1X4
Contact: Unam Ejaz
Tel: 519-336-4101 ext 298
$30 AWMA Member
$40 Non-member
$10 AWMA Student Member
$15 Student Non-Member
$5 No prior notification surcharge


Please register via the AWMA website:


Online registration requires payment via Paypal.   You may also pay cash at the door; funds will be forwarded to AWMA and a receipt will be provided.  To prevent the "$5 no prior notification surcharge" please email us if you are attending so the necessary arrangements can be made.


LEHDER Annual Regulatory & Training Calendars Available

     Posted by LEHDER News on

LEHDER 2016 CalendarsLEHDER is pleased to provide our clients with a Regulatory Reporting Calendar for important dates to remember for Ontario Reporting requirements.

Also available are LEHDER's 2016 in-class training calendars for both Alberta and Ontario. Additional information in regards to LEHDER's regulatory training capabilities are provided on the Regulatory Training page.

 Please feel free to download the documents from the links below.

LEHDER's spring regulatory training sessions begin in March - to view the courses available in your region, please select the appropriate province below.

For more information in regards to LEHDER's regulatory training capabilities, please contact Mark Roehler.

MOECC Adopts Updated Air Dispersion Models for Ontario Regulation 419/05

     Posted by LEHDER News on

MOECC Air Dispersion Model UpdatesOn November 2, 2015, the MOECC published the notification of the adoption of updated approved air dispersion models under O.Reg.419/05 to the EBR (Registry # 012-5177).  The use of these updated air dispersion models is effective immediately.

The MOECC has replaced existing approved modeling versions under O. Reg. 419/05 as follows:

1.    AERMOD dispersion model version 14134 (version date May 14, 2014) used in conjunction with AERMET meteorological pre-processor version 14134 (version date May 14, 2014)

REPLACES - AERMOD dispersion model (version 07026) used in conjunction with the AERMET meteorological preprocessor (version 06341).

2.    ASHRAE method of calculation described in Chapter 45 (Building Air Intake and Exhaust Design) of the 2011 ASHRAE Handbook – HVAC Applications.

REPLACES  - the method of calculation for same structure contamination described in Chapter 44 (Building Air Intake and Exhaust Design) of the 2007 ASHRAE Handbook — HVAC Applications, published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).

To view the full EBR posting of these updates, please click here.

For more information on how these updates may impact your facility, please contact Penny McInnis.

Techincal Standard Posting and O. Reg. 419 Guidance Documents

     Posted by LEHDER News on

Technical Standard Posting

MOECC Techincal Standard Posting June 2015

The Ministry recently posted two proposal notices to the EBR related to Industry Standards.  The public comment period for the following documents ends June 18, 2015.

Amendment to the Foundries Industry Standard

Metal Finishers – Industry Standard

New Guidance Documents

New O. Reg. 419 guidance documents and technical bulletins are in the works, including:

  • Procedure for Preparing an Emission Summary and Dispersion Modelling Report
  • Air Dispersion Modelling Guideline for Ontario (ADMGO)
  • Guideline for the Implementation of Air Standards in Ontario (GIASO)
  • Guide to Requesting an Alternative Standard” (GRAS)
  • Guide To Applying For Registration To The Technical Standards Registry
  • Combined Assessment Of Modelled And Monitored Results (CAMM) as an Emission Rate Refinement Tool
  • Methodology For Using “Assessment Values” For Contaminants With Annual Air Standards
  • Approaches To Manage Open Industrial Fugitive Dust Sources

LEHDER is reviewing the proposed guidance documents and will discuss the details and potential ramifications of the proposed changes in the LEHDER News blog this fall.   For more information, please contact Marnie Freer at (519) 336-4101 ext. 226.