HLT 555 Week 3 Assignment Exposure and Risk Assessment

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Description

HLT 555 Week 3 Assignment Exposure and Risk Assessment

 

Details:

This assignment is in two parts:

 

Part 1: Exposure Assessment Case Study

 

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.

 

 

 

 

<pclass=”msonormal”>Risk Assessment</pclass=”msonormal”>

(50 points)

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
  2. What is causing the identified problem?
  3. Why is the problem a problem?
  4. How was the problem initially identified?
  5. What are the public perceptions of the hazard?
  6. Hazard Identification
  7. What types of adverse health effects might be caused by the problem?
  8. How quickly and for what duration might the problem be experienced?
  9. Dose Response Assessment
  10. Evaluate both qualitative and quantitative toxicity information to estimate the incidence of adverse effects occurring in humans at different exposure levels.
  11. Exposure Assessment for the Relevant Population
  12. Determine the frequency, magnitude, extent, duration, and character of exposures to the hazard.
  13. Risk Characterization
  14. Detail the nature and potential incidence of effects for the exposure conditions described in the exposure assessment.

 

 

<pclass=”msonormal”><pclass=”msonormal”>Exposure Assessment Case Study</pclass=”msonormal”></pclass=”msonormal”>

(50 points)

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?

biological

chemical

3) Source:

anthropogenic non-anthropogenic

area point

stationary mobile

indoor outdoor

4) Transport/carrier medium:

air

water

soil

dust

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:

continuous intermittent

cyclic random

rare

9) Exposure duration:

seconds minutes

hours days

weeks months

years lifetime

10) Exposure setting:

occupational non-occupational

residential non-residential

indoors outdoors

11) Exposed population:

general population

population subgroups

individuals

12) Geographic scope:

site specific

local regional

national international

<pclass=”msonormal”></pclass=”msonormal”>global