| 11. | Airborne occupational exposure limits for asbestos are based on using the PCM method.
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| 12. | The federal limit for occupational exposure is 40 micrograms per deciliter.
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| 13. | Occupational exposure studies indicate that it has to be quick,
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| 14. | Analysis of occupational exposure to asbestos based on threshold regression modeling of case-control data.
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| 15. | Government agencies in the United States have set occupational exposure limits for PCl 3.
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| 16. | The agency has issued non-binding, alternate occupational exposure limits that may better protect workers.
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| 17. | Non-occupational exposure to isothiazolinones by the general population also occurs, albeit at much lower concentrations.
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| 18. | Today's occupational exposure limit is 5 roentgens per year.
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| 19. | Airline crews receive occupational exposures from cosmic radiation because of reduced atmospheric shielding at altitude.
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| 20. | Occupational exposure limits may be one of two types : rate limited or dose limited.
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