CGS Mineral Hazards: Indoor Radon Potential Zones
收藏California State Geoportal2026-03-28 收录
下载链接：
https://gis.data.ca.gov/maps/b15cb5947c704f4e9d737ccb943d5e5d
下载链接
链接失效反馈官方服务：
资源简介：
<div style='text-align:justify;'>This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for homes to exceed the U.S. EPA recommended radon action level of 4.0 picocuries per liter in indoor air. Only a portion of California is covered by the studies included in this dataset.</div>
提供机构：
California State Geoportal
