| 1. | There is no safe exposure level; even tiny amounts can cause harm.
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| 2. | Unusually, the symptoms do not appear to be proportional to exposure levels.
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| 3. | The maximum sound exposure level recommended by Southall et al . ).
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| 4. | The expected exposure level for a typical person is about 10 ppm.
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| 5. | Actual losses suffered by companies are likely to fall below exposure levels.
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| 6. | State and federal officials disagree over what constitutes a safe exposure level.
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| 7. | Air concentrations of volatile organic compounds and PAHs never exceeded permissible exposure levels.
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| 8. | Firefighters at Chernoble were sent to lethal exposure levels to limit the damage.
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| 9. | Could you help me get the right exposure level for this?
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| 10. | Despite this exposure level, from 1985 through 2005, only three deaths were reported.
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