EESA10H3 Lecture Notes - Lecture 10: Canada Council, Exposure Assessment, Risk Assessment
30 Mar 2018
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Eesa10h3 lecture 10: risk assessment: what is the risk, risk: possibility or probability of suffering harm from a hazard. Problem definition: purpose, management goals, policy context, audience, hazard definition, receptors, level of funding, 2. Identify contaminant: single compounds or complex mixture with a few compounds driving toxicity, co(cid:374)ta(cid:373)i(cid:374)ated soil, a(cid:374)d/or air pollutio(cid:374) a(cid:374)d/or , 3. Average person, age, gender: average & worst case, sensitive subpopulation (recent interest in children), 4. Pathways analyses: determine environmental fate that results in exposure to receptor, evaluate routes of exposure, quantity amount of exposure (dose, methods, measurements (how representative, modeling, 5. Exposure assessment (1: multiple routes of exposure, quantify exposure from, air (indoor/outdoor, water (cid:894)dri(cid:374)ki(cid:374)g, sho(cid:449)eri(cid:374)g, (cid:895, soil, sediments, diet (many varieties, other, 5. Exposure assessment (2: exposure (g of chemical/day) is, concentration x intake rate. Or: cf x irf = exposure from ingestion (food, ca x ira = exposure from inhalation (air, cd x ird = exposure from dermal contact, where:
