#OCDSB #pesticide #public healthFAQ: Health effects of pesticide used at Charles H. Hulse Public School(via Ottawa Public Health ) ** What insecticides were used at Charles H. Hulse Public School? ** Two insecticide products were used at Charles H. Hulse Public School on April 11, 2015. The products were GARDEX 1% Baygon Residual Insecticide AND KONK 400 Residual Insecticide Spray with Baygon. ...