Lafarge Exshaw Air Quality Monitoring

Weekly Air Quality Report

Week of September 13, 2021

There were no exceedances of the Alberta Ambient Air Quality Objectives (AAAQO) for TSP, NO2 and SO2.
The highest 1-hour TSP concentration was 457.8 ug/m3 observed on September 9th at 5:00 PM, which occurred under moderate wind speed from the north 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.