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Inhaling respirable crystalline silica dust in an open environment

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Fibrosing interstitial lung disease - Inhaling respirable crystalline silica dust in an open environment Factor

Last reviewed for CCPS 16 December 2009.

Investigative Documents

Claimant Report - Inhaling Respirable Crystalline Silica Dust [CR9314]

Preliminary questions [40655]

40677

there is some evidence that inhaling respirable crystalline silica dust in an open environment may be a factor in the development or worsening of the condition under consideration.

40752 the veteran has inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease at some time.

40753the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and VEA service for fibrosing interstitial lung disease.

40754the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and VEA service for the clinical onset of fibrosing interstitial lung disease.

40756the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and operational service for the clinical onset of fibrosing interstitial lung disease.

or

40757the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and eligible service for the clinical onset of fibrosing interstitial lung disease.

or

7334

the clinical onset of the condition under consideration occurred after the end of the veteran's last period of VEA service.

7335

the condition under consideration permanently worsened.

40755the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and VEA service for the clinical worsening of fibrosing interstitial lung disease.

40758the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and operational service for the clinical worsening of fibrosing interstitial lung disease.

or

40759the veteran has established the causal connection between inhaling respirable crystalline silica dust in an open environment and eligible service for the clinical worsening of fibrosing interstitial lung disease.

Clinical onset and operational service [40756]

40760

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours.

40762

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours before the clinical onset of fibrosing interstitial lung disease.

40766

where the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours before the clinical onset of fibrosing interstitial lung disease, the first such inhalation commenced at least five years before the onset.

40770

operational service made a material contribution to the veteran's inhalation of respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours before the clinical onset of fibrosing interstitial lung disease.

Clinical onset and eligible service [40757]

40761

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours.

40763

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours before the clinical onset of fibrosing interstitial lung disease.

40767

where the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours before the clinical onset of fibrosing interstitial lung disease, the first such inhalation commenced at least ten years before the onset.

40771

eligible service made a material contribution to the veteran's inhalation of respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours before the clinical onset of fibrosing interstitial lung disease.

Clinical worsening and operational service [40758]

40760

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours.

40764

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours after the clinical onset and before the clinical worsening of fibrosing interstitial lung disease.

40768

where the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours before the clinical worsening of fibrosing interstitial lung disease, the first such inhalation commenced at least five years before the worsening.

40772

operational service made a material contribution to the veteran's inhalation of respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 3000 hours before the clinical worsening of fibrosing interstitial lung disease.

Clinical worsening and eligible service [40759]

40761

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours.

40765

the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours after the clinical onset and before the clinical worsening of fibrosing interstitial lung disease.

40769

where the veteran inhaled respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours before the clinical worsening of fibrosing interstitial lung disease, the first such inhalation commenced at least ten years before the worsening.

40773

eligible service made a material contribution to the veteran's inhalation of respirable crystalline silica dust in an open environment as defined in the Statements of Principles for fibrosing interstitial lung disease for a cumulative period of at least 6000 hours before the clinical worsening of fibrosing interstitial lung disease.