{"id":265,"date":"2015-10-03T07:33:04","date_gmt":"2015-10-03T07:33:04","guid":{"rendered":"https:\/\/nuclearnews.com\/?p=265"},"modified":"2015-10-03T19:45:46","modified_gmt":"2015-10-03T19:45:46","slug":"airline-crew-radiation-exposure","status":"publish","type":"post","link":"https:\/\/nuclearnews.com\/?p=265","title":{"rendered":"Airline Crew Radiation Exposure"},"content":{"rendered":"<figure id=\"attachment_269\" aria-describedby=\"caption-attachment-269\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/crshower2_nasa.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-269\" src=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/crshower2_nasa-300x225.jpg\" alt=\"Image Courtesy of NASA\" width=\"300\" height=\"225\" srcset=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/crshower2_nasa-300x225.jpg 300w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/crshower2_nasa.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-269\" class=\"wp-caption-text\">Image Courtesy of NASA<\/figcaption><\/figure>\n<p>I get questions periodically from pilots and flight attendants about occupational radiation exposure. \u00a0 It has been known for some time that the exposures received\u00a0by some flight personnel\u00a0would require monitoring with dosimeters if they were working in the medical or nuclear industries.<\/p>\n<p>The\u00a0challenges to determining dose to a person in flight is complex in different ways than dosimetry on the surface of the planet. \u00a0 High altitude radiation includes particles and rays from distant star systems, from the sun, and from mysterious events out there that we are still struggling to understand. \u00a0Some of the particles are &#8220;relativistic&#8221; in that they are traveling close to the speed of light. \u00a0When they react with Earth\u02bbs atmosphere, ionization occurs, and secondary forms of radiation are produced. \u00a0Some of these reach the surface of our planet. \u00a0If we could see these, or feel them, it would look or feel something like a light rain shower. \u00a0During certain conditions we can visibly observe the interaction of cosmic rays with the upper atmosphere.<\/p>\n<figure id=\"attachment_270\" aria-describedby=\"caption-attachment-270\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Aurora.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-270\" src=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Aurora-300x225.jpg\" alt=\"Aurora Image Courtesy of Sebastian Saarloos\" width=\"300\" height=\"225\" srcset=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Aurora-300x225.jpg 300w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Aurora-1024x768.jpg 1024w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Aurora.jpg 1041w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-270\" class=\"wp-caption-text\">Aurora Image Courtesy of Sebastian Saarloos<\/figcaption><\/figure>\n<p>Earth\u02bbs atmosphere shields us pretty well from the cosmic rays and particles that permeate outer space. \u00a0A fraction\u00a0makes it to the Earth\u02bbs surface. \u00a0The image on the left shows background radiation the runway at SFO International Airport in San Francisco. \u00a0The level rises with altitude. \u00a0The two\u00a0iPhone\u00a0screenshots below are from an App we are developing, linked to a 2 inch pancake GM sensor. \u00a0The horizontal\u00a0imagedocuments the entire flight between SF Bay Area and Palm Springs CA on the Android Wizkers App using the same sensor. \u00a0More on the sensors and apps soon.<\/p>\n<p>Here are a few links to information on radiation exposure in the airline industry.<\/p>\n<p><a href=\"http:\/\/www.caa.co.uk\/default.aspx?catid=49&amp;pageid=7094\" target=\"_blank\">UK Civil Aviation Authority Radiation Guidelines<\/a><\/p>\n<p><a href=\"http:\/\/ashsd.afacwa.org\/docs\/radbroch1.pdf\">Facts for Flight Attendants<\/a><\/p>\n<p><a href=\"https:\/\/www.hps.org\/publicinformation\/ate\/faqs\/commercialflights.html\">Health Physics Association Q and A<\/a><\/p>\n<p><a href=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/SF-Bay-Area-to-Palm-Springs-CA.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-283\" src=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/SF-Bay-Area-to-Palm-Springs-CA-300x169.jpg\" alt=\"SF Bay Area to Palm Springs CA\" width=\"406\" height=\"234\" \/><\/a><\/p>\n<p><a href=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Background-Radiation.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-267 size-medium\" src=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Background-Radiation-169x300.jpg\" alt=\"Radiation Levels on Earth are generally Lower than in space\" width=\"169\" height=\"300\" srcset=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Background-Radiation-169x300.jpg 169w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Background-Radiation-576x1024.jpg 576w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/Background-Radiation.jpg 1125w\" sizes=\"auto, (max-width: 169px) 100vw, 169px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/30000-ft.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-271 size-medium\" src=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/30000-ft-169x300.jpg\" alt=\"Radiation Level at about 30,000 feet\" width=\"169\" height=\"300\" srcset=\"https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/30000-ft-169x300.jpg 169w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/30000-ft-576x1024.jpg 576w, https:\/\/nuclearnews.com\/wp-content\/uploads\/2015\/10\/30000-ft.jpg 1125w\" sizes=\"auto, (max-width: 169px) 100vw, 169px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I get questions periodically from pilots and flight attendants about occupational radiation exposure. \u00a0 It has been known for some time that the exposures received\u00a0by some flight personnel\u00a0would require monitoring with dosimeters if they were working in the medical or nuclear industries. The\u00a0challenges to determining dose to a person in flight is complex in different ways than dosimetry on the surface of the planet. \u00a0 High altitude radiation includes particles and rays from distant star systems, from the sun, and from mysterious events out there that we are still struggling to understand. \u00a0Some of the particles are &#8220;relativistic&#8221; in that <a class=\"more-link\" href=\"https:\/\/nuclearnews.com\/?p=265\">Continue reading <span class=\"screen-reader-text\">  Airline Crew Radiation Exposure<\/span><span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[25,24,12,23],"class_list":["post-265","post","type-post","status-publish","format-standard","hentry","category-safety","tag-airline-crews-dosimetry","tag-flight-exposure","tag-radiation","tag-space"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/posts\/265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=265"}],"version-history":[{"count":13,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/posts\/265\/revisions"}],"predecessor-version":[{"id":284,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=\/wp\/v2\/posts\/265\/revisions\/284"}],"wp:attachment":[{"href":"https:\/\/nuclearnews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nuclearnews.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}