Visible Emissions Observation School

Session: Lyons, Colorado

        CAA Class Number: 4780


Two Day School


Registrations received within 7 days of class will be assessed with a $25.00 late fee due to individualized preparation for each student.
NOTE: If you aren't familiar with CAA smoke schools, please read THIS DOCUMENT before attending the session.

Field Only: $200

Lecture Outline »


Online-lecture only.
There is no in-person lecture section for this class

Field Certification: FIRST DAY

Wed Mar 3 2021 at 8:00 am (MST)  to  2:00 pm (MST)*
FIRST DAY Field Class: *Field certification ends when all attendees who arrived at the start time are certified, or will try again on the second day.

Field Certification: SECOND DAY

03/04/21  8:00 am (MST)  to  12:01 pm (MST)*
SECOND DAY Field Class: Typically, those that have not been certified come this second day.
*Field certification ends when all attendees who arrived at the start time are certified, or no longer wish to attempt to become certified.

In-person Lecture Location

There is no in-person lecture for this class

Field Location

Location details upon registration.

This TWO-DAY school, sponsored by Lyons Cement Plant (CEMEX), offers both the lecture and the field certification. The lecture will be an online course. Everyone will receive individual scheduled times to attend the field session. You must attend the lecture on the scheduled day and then attend the field session on the scheduled day. Please provide your email upon registration to receive the lecture link, scheduled time of arrival, and any updated information. For non-CEMEX registrants to the Lyons Plant DIRECTIONS: Lyons Cement Plant (CEMEX) is located at 5134 Ute Highway, at the junction of Highway 66 (Ute Highway) and Highway 36 (Foothills Highway from Boulder). Plant phone number is (303) 823-2100.


Location details upon registration.