What is a LD₅₀ and LC₅₀? - Canadian Centre for Occupational ...
2024年5月10日 · The data above show that dichlorvos is much less toxic by ingestion in pigs or dogs than in rats. Using Table 1, dichlorvos is moderately toxic when swallowed (oral LD 50) …
What Makes Chemicals Poisonous - Canadian Centre for …
2024年5月10日 · Less commonly, workplace chemicals may be swallowed, for example, from contaminated food or cigarettes. The eyes may also be a route of entry. Usually, however, …
First Aid for Chemical Exposures - Canadian Centre for …
2024年5月10日 · In order to know what first aid procedures to follow, it is essential that you know what chemicals are present in your workplace. Consult your chemical inventory and the First …
Spill Response - Chemicals - Canadian Centre for Occupational …
For example, do not sweep chemicals that are in fine powder form, as sweeping will make the powder airborne. Use appropriate vacuum cleaners and filters. If the product is toxic or …
How Workplace Chemicals Enter the Body - Canadian Centre for ...
2024年5月10日 · Some solvents may soften the keratin layer but are not believed to penetrate much further unless there is prolonged skin contact. Other chemicals can readily pass through …
Substitution of Chemicals - Considerations for Selection
2024年5月10日 · Both the potential for direct irritation and allergic sensitization must be examined. One also must consider that, besides breathing in chemicals, some solvents (and …
WHMIS - Hazard Classes and Categories - Canadian Centre for ...
2024年5月10日 · Products classified in this hazard class are fatal, toxic or harmful if inhaled, following skin contact, or if swallowed. Acute toxicity refers to effects occurring following skin …
CCOHS: Hazardous Waste Management
2022年2月28日 · Once a waste is characterized (e.g., ignitable/flammable, corrosive, toxic, etc.), the storage must meet the the requirements of their jurisdiction for: health and safety …
CCOHS: Synergism and related terms
This effect is the most common when two chemicals are given together. Potentiation - This effect results when one substance that does not normally have a toxic effect is added to another …
How to Work Safely with - Canadian Centre for Occupational …
The Canadian Centre for Occupational Health and Safety (CCOHS) promotes a safe and healthy working environment by providing occupational health and safety information and advice.