by msander | Mar 23, 2017 | All Science Teachers, Safety
A lot of jargon is used when talking about risk and some of this can be confusing. In the discussion about chemicals, the words “risk” and “hazard” are very often used as if interchangeable. In this brochure we offer our understanding of the difference between these...
by msander | Mar 20, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
The science teacher’s duty of care for planning and designing lab activities for the science curriculum includes the responsibility for the proper storage, handling, use, and disposal of chemicals in experiments and demonstrations. The following “Top Twelve” list of...
by msander | Feb 27, 2017 | All Science Teachers, Safety
Restricted Chemicals There has been a lot of confusion generated when a select group of chemicals were listed as restricted, and special ordering procedures were initiated by the Federal government. What are restricted chemicals? To prevent their criminal use,...
by msander | Feb 20, 2017 | All Science Teachers, Safety
WHMIS 2015 WHMIS 2015 covers a wide range of hazardous chemicals and substances (called “controlled products”), including everyday chemical products found in workplaces, such as cleaning supplies, adhesives and solvents. Although not as dangerous as other controlled...
by msander | Feb 16, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
In a recent blog post, the activity Elephant’s Toothpaste was demonstrated. The activity was in keeping with our STAO safety policy regarding chemical use. In that policy, we suggest the use of small quantities of chemicals, at as low a concentration as possible...
by msander | Feb 13, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics, Safety
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 indicate that Class 3A (old classification), now called Class 3R (new...
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