CGS Mineral Hazards: Indoor Radon Potential Zones
收藏数据链接：
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资源简介：
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.
创建时间：
2016-05-20
