Lafarge Exshaw Air Quality Monitoring

Weekly Air Quality Report

Week of January 30, 2023

There were no exceedances of the Alberta Ambient Air Quality Objectives (AAAQO) for TSP, NO2 and SO2.
The highest 1-hour TSP concentration was 229.6 ug/m3 observed on February 5th at 2:00 PM, which occurred under high wind speed from the east.

Particulate Matter

All data are preliminary and will be verified and presented in the monthly report.

SO2

All data are preliminary and will be verified and presented in the monthly report.

NO2

All data are preliminary and will be verified and presented in the monthly report.