Industrial Approval

NPNS Summary of Regulatory Stack Testing Results and Limits

  Recovery Boiler  Recovery   Boiler  Power Boiler Power Boiler
  Particulate   Particulate  
Limit - Approval  77 mg/Rm3* %   of Limit 150 mg/Rm3* %   of Limit
2015 - July 4.0 5% 148 99%
2015 -   September  4.0 5% 190 127%
2015 -   November 2.3 3% 111 74%
2016 - March 4.4 6% 123 82%
2016 - June 2.3 3% 114 76%
2016 - August 12.3 16% 136 91%
2016 -   December 3.0 4% 157 105%
2017 - March 0.8 1% 113 75%
2017 - June 0.2 0% 224 149%
2017 - September 1 2% 72 48%
*mg/Rm3 = milligrams per dry cubic metre at reference conditions (25°C and 101.3 kPa)

TABLE RESULTS

Link to source emissions testing for total particulate matter from the Power Boiler exhaust stack:

Third Quarter 2017