EESA10H3 Lecture Notes - Lecture 9: Absorbed Dose, Threshold Model, Multiple Exposure
25 Mar 2016
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Read every sentence carefully, lecture 10 = more details about the assignment. Environmental scienist are concerned about fate and transport into the environment. Fate: diferent for diferent contaminants depends on their chemistry (i. e. volaile, water soluble) Will not be tested on the def. of electronegaivity but you should know about solubility* Come chemicals soleable in fats less soluble in water, vice versa (i. e. metals) if chemicals are fat soluable they are easier to penetrate cell wall and enter the cell. If they are more water soluable they will stay in-between the cells = impacts their fate. Oxidaion state: depends on valence and oxidaion state. Figure 2. 1: chemical in liquid forms, easily evaporates you can ind it in the air, if it is very soluable than you ind it in the water. Heavy molecules: more persistent, less water soluable > when quanifying you have to say under what environmental condiion pop.
