Codzienne ryzyko

Codzienne ryzyko



Table 2-14. Factors in Risk Acceptability

Factor    Effect

Voluntary vs. nonvoluntary Degree of control Extent of assignability Magnitude of the outcome

Awareness

Catastrophic potential

Needs met by source of risk Group involvement

Cost of alternatives

Trust and ability to monitor compliance


Chosen risks morę acceptable to individual unless miti-gated by necessity (coal mining)

Greater personal control enhances willingness to ac-cept risks (airplanes feared over autos)

Long latency period that hinders ability to identify e.\-posure reduces concem about exposure People tolerate occasional obnoxious odors, but want wide margin between them and cancer. This factor differs from catastrophic potential because it is a personal assessment

Failure to understand naturę of risks involved or assessment methods used to evaluate risks black/white type of decisiohs that have larger factors of safety

Another factor in contradictory perception of airplane vs. auto risks. Big disaster requires greater margin of safety

The rationale for continued pesticide use and people’s rationale for saccharin consumption The “risky shift” phenomenon. Group definition of acceptable level can result in considerably higher level for represented parties The individual-at-risk personal cost decreases reąuired margin of safety

Lack of trust is key element in large factor of safety reąuired in hazardous-waste handling

Table 2-13. Everyday Activities with a Risk of Death

Actmty

Annual Level of R isk (voluntary activity)

Annual Level of Risk (involuntary activity)

Smoking 10 cigarettes/day

1.25 x 10-3

Coal-mining-railroad work accidents

1.3 x 10-3

Motor vehicle accident

2 x 10-4

Drinking groundwater of Table 2-12

1.2 x 10~4

Manufacturing work accidents

8 x 10-5.

Pedestrians hit by automobiles

4 x 10-5

.Drinking two beers/day

(cirrhosis only)

4 x 10-5

Person in ą.room with a smoker

. —

1 x 10-5

Living near .the storage tanks of a large benzene producer

_

6 x 10-6


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