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...
by msander | Feb 6, 2017 | Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
Borax Advisory Update Health Canada Health Canada issued an advisory this past summer, suggesting that exposure to boron substances be reduced as much as possible from all sources. They identified boron substances as a developmental and reproductive health risk. They...
by msander | Jan 25, 2017 | All Science Teachers, Safety
Supporting science . . . by stressing safety. That’s the intent of an annual lab safety workshop for teaching candidates, arranged and hosted by the Science Teachers’ Association of Ontario (STAO). Every year, volunteers from STAO—a professional non-profit educational...
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