2025-20448: Decision Following the Formal Evaluation on the Relationship Between Exposure to Fine Particulate Matter and Certain Blood Conditions

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Summary

The Department of Veterans Affairs (VA) is issuing notice of the Secretary's determination under title 38 United States Code (U.S.C.) 1174(a)(2) that a presumption of service connection is not warranted for polycythemia vera, essential thrombocythemia, histiocytosis, mastocytosis, and chronic myeloproliferative disease for veterans exposed to fine particulate matter (PM<INF>2.5</INF>) while serving in the Southwest Asia Theater of Operations or Somalia on or after August 2, 1990, or in Afghanistan, Egypt, Jordan, Lebanon, Syria, Yemen, Djibouti, or Uzbekistan on or after September 11, 2001.

The agency’s own summary, as published.

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