General radon levels in the environment can vary greatly, depending on locale and the medium it is measured in. Here are comparisons between indoor\/outdoor air, soil air and groundwater.<\/p>\n
<\/p>\n
Conversion factors below are from the picoCurie \/ liter to the Becquerel \/ m^3:<\/p>\n
<\/p>\n
1 picoCurie \/ liter = ~ 37.1 Bq\/m^3\u00a0\u00a0\u00a0\u00a0 EPA action limit 4 pCi\/L = ~ 148.4 Bq\/m^3<\/p>\n
<\/p>\n
Radon:\u00a0 Outdoor air\u00a0\u00a0<\/strong>\u00a0\u00a0\u00a0 Low of 4 – 8 Bq \/ m^3\u00a0\u00a0\u00a0 =\u00a0 0.2 – 0.3 picoCuries\/liter<\/p>\n High of 100 Bq \/ m^3 in valleys (morning time)\u00a0 = 2.7 picoCuries \/ liter<\/p>\n <\/p>\n Radon:\u00a0 Indoor air\u00a0<\/strong> \u00a0 Low\u00a0 20 Bq \/ ^3\u00a0 = 0.5 pCi\/l<\/p>\n High of 110000 Bq \/ m^3\u00a0 = 2964 pCi\/l\u00a0 (probably over a uranium mine)<\/p>\n <\/p>\n World average\u00a0 39 Bq \/ m^3\u00a0\u00a0 = 1.1 pCi\/l<\/p>\n <\/p>\n EXAMPLE INDOOR RADON LEVELS by Country: Average<\/strong><\/p>\n <\/p>\n Egypt:\u00a0\u00a0 9 = 0.2 pCi\/l<\/p>\n UK:\u00a0 20 =\u00a0 0.5 pCi\/l<\/p>\n USA:\u00a0 46 = 1.5 pCi\/l\u00a0\u00a0\u00a0\u00a0 Texas\u00a0 48 = 1.3 pCi\/l<\/p>\n United States by Region:\u00a0 (geometric mean values)\u00a0 3.43 pCi\/L in the Northeast \u00a0 2.36 pCi\/L in Midwest, 0.64 in the Northwest, 2.40 pCi\/L in the Mountain States, 1.43 pCi\/L in the Southeast<\/p>\n Sweden:\u00a0 108\u00a0\u00a0 = 2.9 pCi\/l<\/p>\n Czech Republic: 108 = 2.9 pCi\/l<\/p>\n Highest ever radon concentration ever reported in an indoor dwelling: \u00a0 2600 pCi\/L in a southeastern Pennsylvania home which is equal to a 4 pack a day smoker.<\/p>\n Radon in soil air:\u00a0\u00a0 Ranges from less than 1 to over 2500 Bq \/ liter\u00a0 = 0.03 – 67.4 pCi\/l<\/p>\n Most soils in the USA are between 5 – 55\u00a0 Bq\/liter\u00a0 = 0.13 – 1.48 pCi\/l<\/p>\n Radon in groundwater:\u00a0 3 – 80000 Bq\/liter\u00a0 = 0.081 – 2156 pCi\/l<\/p>\n","protected":false},"excerpt":{"rendered":" General radon levels in the environment can vary greatly, depending on locale and the medium it is measured in. Here are comparisons between indoor\/outdoor air, soil air and groundwater. Conversion factors below are...<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[355],"tags":[395,396,383,397,392,393,394],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/63"}],"collection":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/comments?post=63"}],"version-history":[{"count":3,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/63\/revisions"}],"predecessor-version":[{"id":4664,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/posts\/63\/revisions\/4664"}],"wp:attachment":[{"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/media?parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/categories?post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/emfsurvey.com\/wp-json\/wp\/v2\/tags?post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}