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Flight attendant radiation dose from solar particle events.

Authors
Anderson-JL; Mertens-CJ; Grajewski-B; Luo-LA; Tseng-C-Y; Cassinelli-RT
Source
Aviat Space Environ Med 2014 Aug; 85(8):828-832
NIOSHTIC No.
20044924
Abstract
Introduction: Research has suggested that work as a flight attendant may be related to increased risk for reproductive health effects. Air cabin exposures that may influence reproductive health include radiation dose from galactic cosmic radiation and solar particle events. This paper describes the assessment of radiation dose accrued during solar particle events as part of a reproductive health study of flight attendants. Methods: Solar storm data were obtained from the National Oceanic and Atmospheric Administration Space Weather Prediction Center list of solar proton events affecting the Earth environment to ascertain storms relevant to the two study periods (1992-1996 and 1999-2001). Radiation dose from exposure to solar energetic particles was estimated using the NAIRAS model in conjunction with galactic cosmic radiation dose calculated using the CARI-6P computer program. Results: Seven solar particle events were determined to have potential for significant radiation exposure, two in the first study period and five in the second study period, and over-lapped with 24,807 flight segments. Absorbed (and effective) flight segment doses averaged 6.5 µGy (18 µSv) and 3.1 µGy (8.3 µSv) for the first and second study periods, respectively. Maximum doses were as high as 440 µGy (1.2 mSv) and 20 flight segments had doses greater than 190 µGy (0.5 mSv). Discussion: During solar particle events, a pregnant flight attendant could potentially exceed the equivalent dose limit to the conceptus of 0.5 mSv in a month recommended by the National Council on Radiation Protection and Measurements.
Keywords
Radiation; Radiation-exposure; Exposure-levels; Risk-factors; Solar-energy; Particulates; Models; Humans; Women; Flight-personnel; Health-hazards; Reproductive-effects; Reproductive-hazards; Reproductive-system-disorders; Reproductive-system; Aircraft; Author Keywords: absorbed dose; effective dose; conceptus; reproductive health
Contact
Jeri L. Anderson, Ph.D., National Institute for Occupational Safety and Health, 4676 Columbia Pkwy, MS R-14, Cincinnati, OH 45226
CODEN
ASEMCG
Publication Date
20140801
Document Type
Journal Article
Email Address
JLAnderson@cdc.gov
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
M082014
Issue of Publication
8
ISSN
0095-6562
NIOSH Division
DSHEFS
Priority Area
Transportation, Warehousing and Utilities
Source Name
Aviation, Space, and Environmental Medicine
State
OH; VA
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