Lecture

Safety Protocols: Working with Dangerous Chemicals

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Description

This lecture focuses on the essential safety protocols for handling dangerous chemicals in laboratory settings. It emphasizes the importance of understanding chemical waste, including the need to respect incompatibilities and reactivities. The instructor discusses the use of a separation tree to manage chemical waste effectively. Additionally, the lecture highlights the significance of studying every new situation and procedure to ensure safety. The content is aimed at promoting occupational safety and health within the School of Basic Sciences at EPFL, providing guidelines for safe practices when working with hazardous materials. The lecture also includes references to specific types of chemical waste, such as concentrated acids and special waste categories, underscoring the need for proper disposal methods. Overall, the lecture serves as a crucial resource for students and professionals in the field, reinforcing the importance of safety in chemical handling.

Official source

Ontological neighbourhood

Environmental science

Environmental policy: Waste management

Related concepts (23)

Hazardous waste

Hazardous waste is waste that has substantial or potential threats to public health or the environment. Hazardous waste is a type of dangerous goods. They usually have one or more of the following hazardous traits: ignitability, reactivity, corrosivity, toxicity. Listed hazardous wastes are materials specifically listed by regulatory authorities as hazardous wastes which are from non-specific sources, specific sources, or discarded chemical products. Hazardous wastes may be found in different physical states such as gaseous, liquids, or solids.

Waste

Waste (or wastes) are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value. A waste product may become a by-product, joint product or resource through an invention that raises a waste product's value above zero. Examples include municipal solid waste (household trash/refuse), hazardous waste, wastewater (such as sewage, which contains bodily wastes (feces and urine) and surface runoff), radioactive waste, and others.

Biomedical waste

Biomedical waste or hospital waste is any kind of waste containing infectious (or potentially infectious) materials generated during the treatment of humans or animals as well as during research involving biologics. It may also include waste associated with the generation of biomedical waste that visually appears to be of medical or laboratory origin (e.g. packaging, unused bandages, infusion kits etc.), as well research laboratory waste containing biomolecules or organisms that are mainly restricted from environmental release.

Chemical waste

Chemical waste is any excess, unused, or unwanted chemical, especially those that cause damage to human health or the environment. Chemical waste may be classified as hazardous waste, non-hazardous waste, universal waste, or household hazardous waste. Hazardous waste is material that displays one or more of the following four characteristics: ignitability, corrosivity, reactivity, and toxicity. This information, along with chemical disposal requirements, is typically available on a chemical's Material Safety Data Sheet (MSDS).

Waste management

Waste management or waste disposal includes the processes and actions required to manage waste from its inception to its final disposal. This includes the collection, transport, treatment, and disposal of waste, together with monitoring and regulation of the waste management process and waste-related laws, technologies, and economic mechanisms. Waste can be solid, liquid, or gases and each type has different methods of disposal and management.

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