EngGen403

Lecture is on toxicology and pollution.

Pollution

Substances in the environment that are harmful to living organisms.

Toxic/hazardous

Harmful to living organisms.

Point source

Easily identified source.

Non-point source

Indirect source.

pH

Acidity and alkalinity.

Health and safety, environment damage, considered over product lifespan. Perceived danger. Toxicity can occur through ingestion, inhalation and skin absorption.

Effects on the body. Short and long term <=> chronic and acute effects. Mutation to genetics. Tetragenes. Data sheets on substances. Heavy metals. Biomagnification. Biodegradeable.

Going through a list of water pollutants. Going through a list of air pollutants. Going through a list of soil pollutants.

Engineers need to look at the chemicals being used and the development. Must understand the toxicity.

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