Lafarge Exshaw Air Quality Monitoring

Weekly Air Quality Report

Week of May 18, 2020

There were no exceedances of the Alberta Ambient Air Quality Objectives (AAAQO) for TSP, NO2 and SO2.
The highest 1-hour TSP concentration was 236.6 ug/m3 observed on May 24th at 5:00 PM, which occurred under high wind speed from the west.

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.