Read “Cross-sectional Exposure Assessment of Environmental Contaminants in Churchill County, Nevada” by the Centers for Disease Control and Prevention (2003). Use this case study to complete the Exposure Assessment form.
Part 2: Risk Assessment Case Study
Read “Illness Associated with Drift of Chloropicrin Soil Fumigant Into a Residential Area – Kern County, California, 2003.” Use this case study to complete the Risk Assessment assignment.
Directions: Use the case study to provide answers to the following questions.
Case Study:“Illness Associated with Drift of Chloropicrin Soil Fumigant into a Residential Area—Kern County, California, 2003,” located on p. 154 of the textbook
1. Issue Identification
a. What is causing the identified problem?
b. Why is the problem a problem?
c. How was the problem initially identified?
d. What are the public perceptions of the hazard?
2. Hazard Identification
a. What types of adverse health effects might be caused by the problem?
b. How quickly and for what duration might the problem be experienced?
3. Dose Response Assessment
a. Evaluate both qualitative and quantitative toxicity information to estimate the incidence of adverse effects occurring in humans at different exposure levels.
4. Exposure Assessment for the Relevant Population
a. Determine the frequency, magnitude, extent, duration, and character of exposures to the hazard.
5. Risk Characterization
a. Detail the nature and potential incidence of effects for the exposure conditions described in the exposure assessment.
Exposure Assessment Case Study
Directions: After .homeworkminutes.com/question/view/91939/grand-canyon-hlt555-week-3-Exposure-and-Risk-Assessment#”>reading the Centers for Disease Control and Prevention case study, answer the following questions.
Case Study:“Cross-sectional Exposure Assessment of Environmental Contaminants in Churchill County, Nevada” by the Centers for Disease Control and Prevention.t .cdc.gov/nceh/clusters/fallon/factsheet.pdf”>http://www.cdc.gov/nceh/clusters/fallon/factsheet.pdf
1) Identify the agent:_____________________________________________________
2) What type of agent is described?
4) Transport/carrier medium:
food product item
5) Exposure pathways:
eating contaminated food
breathing contaminated air
touching a contaminated surface
drinking contaminated water
6) Exposure concentration:
mg/kg (food) mg/litre (water)
ug/m3 (air) ug/cm3 (contaminated surfaces)
% by weight fibres/m3 (air)
7) Exposure route:
inhalation dermal contact
ingestion multiple routes
8) Exposure frequency:
9) Exposure duration:
10) Exposure setting:
11) Exposed population:
12) Geographic scope:
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