HSCI 304 Lecture Notes - Lecture 7: Persistent Organic Pollutant, Volatile Organic Compound, Dichloromethane
26 Feb 2020
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Document Summary
When in the ______________, ozone is considered a public health concern for its impact on the respiratory system: troposphere, stratosphere. Advantages: higher yields (more food because less is loss to pests) Disadvantages: human health hazards: etiology of cancer and adverse birth outcomes. Loss of biodiversity (do not want to lose bees) Chronic: through continuous use: acute: through accidental release, (e. g. in disasters). Constantly update policies and regulations to prevent hazards and accidents. Toxic chemicals that adversely affect human health and the environment. They can be transported by wind and water: far from where they are used. They persist for long periods of time in the environment. (10 years in the environment) Can accumulate and pass from one species to other through the food chain. Organic compounds that evaporate readily into the air. Substances such as benzene, toluene, methylene chloride, and methyl chloroform. Any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest.
