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Congratulations! You already have a STAO membership through Conseil scolaire public du Grand Nord de l’Ontario School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du onseil scolaire public du Grand Nord de l’Ontario School Board. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire catholique Nouvelon School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire catholique Nouvelon. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire public du Grand Nord de l’Ontario School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire public du Grand Nord de l’Ontario . Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Le Conseil scolaire public du Nord-Est de l’Ontario School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire public du Nord-Est de l’Ontario. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire Viamonde School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire Viamonde . Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

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Congratulations! You already have a STAO membership through Conseil scolaire catholique MonAvenir School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire catholique MonAvenir. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

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Congratulations! You already have a STAO membership through Conseil scolaire catholique Providence School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire catholique Providence. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

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Congratulations! You already have a STAO membership through Conseil scolaire de district catholique des Aurores boréales School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire de district catholique des Aurores boréales. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire catholique de district des Grandes Rivières School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire catholique de district des Grandes Rivières. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Le Consortium Centre Jules-Léger School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Consortium Centre Jules-Léger . Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through Conseil scolaire de district catholique de l’Est ontarien School Board. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du Conseil scolaire de district catholique de l’Est ontarien. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

Congratulations! You already have a STAO membership through STAO. Submit this form to receive a link to activate your membership. Félicitations ! Vous avez déjà une adhésion à l'APSO par le biais du STAO. Veuillez soumettre ce formulaire pour recevoir un lien afin d'activer votre adhésion.

What are the hazards of methanoic esterfication in the SCH4U Esterfication Lab?

by nathalie.rudner@stao.ca | Jan 28, 2026

Question: I had a discussion with a colleague about an SCH4U ester lab I run. Typically I make available a number of carboxylic acids and alcohols and students choose a variety of esters to try and synthesize, smell and test the water solubility of. My...

Does STAO recommend the use of a vented flammable cabinet?

by STAO ADMIN | Jul 24, 2024

Question: I was at a school that had an externally vented flammable cabinet. The cabinet at my current school isn’t vented and there is always a strong (somewhat overpowering) smell whenever the cabinet is opened. While the MSDS sheet for methanol recommends use in...

Are ductless fume hoods a good alternative to traditional fume hoods?

by STAO ADMIN | Jul 24, 2024

Question: Are ductless fume hoods a good alternative to traditional fume hoods? Since the summer, we’ve been taking an inventory of the fume hoods in our secondary schools and sending in an inspector to look at them. We’ve found a few schools with no working hoods. ...

Are there any videos that are available for training on the use of fire extinguishers?

by STAO ADMIN | Jul 24, 2024

Question: Are there any videos that are available for training on the use of fire extinguishers? Answer: Yes. There are several youtube training videos that are available. Some of these are produced by reputable organizations (Fire Training Facilities, Fire Chief...

Should teachers be trained on fire extinguisher use?

by STAO ADMIN | Jul 24, 2024

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 (National Research Council in their book, Prudent Practices in the Laboratory)...

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