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According to these models, radon exposure is thought to be the second major cause of lung cancer after smoking. [66] Iowa has the highest average radon concentration in the United States; studies performed there have demonstrated a 50% increased lung cancer risk with prolonged radon exposure above the EPA's action level of 4 pCi/L. [77] [92]
The county's research had shown that exposure to radon must be repeated and prolonged to cause serious health problems, they said. As in, for about 20 years. They pointed out that radon commonly ...
Residues from the oil and gas industry often contain radium and its daughters. The sulfate scale from an oil well can be very radium rich. The water inside an oil field is often very rich in strontium, barium and radium, while seawater is very rich in sulfate: so if water from an oil well is discharged into the sea or mixed with seawater, the radium is likely to be brought out of solution by ...
East County does not have an official geographic definition, although East County boundaries are unofficially drawn by the County of San Diego for its second district. [1] It commonly includes El Cajon , La Mesa , Lemon Grove , Poway , and Santee , as well as suburban and rural unincorporated communities such as Lakeside , Spring Valley , Jamul ...
The San Diego County Sheriff's Office provides general-service law enforcement to unincorporated areas of the county, serving as the equivalent of the county police for unincorporated areas of the county, and as incorporated cities within the county which have contracted with the agency for law-enforcement services (known as "contract cities ...
A hiker, who was reported missing in California's Sierra Nevada mountains in the last week of December, was found dead at an elevation of 12,000 feet, officials say.. Inyo County Search and Rescue ...
San Diego County (/ ˌ s æ n d i ˈ eɪ ɡ oʊ / ⓘ), officially the County of San Diego, is a county in the southwest corner of the U.S. state of California, north to its border with Mexico. As of the 2020 census , the population was 3,298,634; [ 7 ] it is the second-most populous county in California and the fifth-most populous in the ...
UC Santa Barbara midfielder Manu Duah was selected No. 1 overall by San Diego FC in Friday's 2025 MLS SuperDraft, making him the first draft pick in the expansion club's history. Duah, a native of ...
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