Lafarge Exshaw Air Quality Monitoring

Weekly Air Quality Report

Week of March 23, 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 269.5 ug/m3 observed on March 26th at 12:00 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.