To prevent their criminal use, 10 chemicals have been identified by the Natural Resources branch responsible for compliance with the Explosives Act. They are:
Hydrogen peroxide, Nitric acid, Potassium chlorate, Sodium chlorate, Potassium nitrate, Sodium nitrate, Ammonium nitrate, Nitromethane, Potassium perchlorate, and a mixture of sodium nitrate and potassium nitrate.
Click here to read more
Categories: Questions From Teachers
Question: The STAO Safe on Science document (2011) indicates that only class 1 and class 2 lasers are recommended for use in high school science classes. Many of the documents that I have examined... read more
Categories: Questions From Teachers
Question: Recently, the safety of PTC paper, used widely for demonstrating the ability to taste vs the inability to taste PTC, has been called into question. Many school boards in the USA... read more
Categories: Questions From Teachers
Question: Should teachers be trained on fire extinguisher use? Answer: STAO does not have a position as regards this training, nor is it required by regulation. There are some organizations... read more