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Radon Information <br />This section lists any relevant radon information found for the target property. <br />Federal EPA Radon Zone for ALAMEDA County: 2 <br />Federal EPA Radon Zone for SAN JOAQUIN County: 3 <br />Zone 1: Counties with predicted average indoor radon screening levels greater than 4 pCi/L <br />Zone 2: Counties with predicted average indoor radon screening levels from 2 to 4 pCi/L <br />Zone 3: Counties with predicted average indoor radon screening levels less than 2 pCVL <br />Federal Area Radon Information for ALAMEDA County <br />No Measures/Homes: <br />Geometric Mean: <br />Arithmetic Mean: <br />Median: <br />Standard Deviation: <br />Maximum: <br />>4 pCi/L: <br />>20 pCi/L: <br />Notes on Data Table: <br />60 <br />0.5 <br />0.8 <br />0.7 <br />1 <br />4 <br />0 <br />0 <br />TABLE 1. Screening indoor <br />radon data from the EPA/State <br />Residential Radon Survey of <br />California conducted during <br />1989-90. Data represent 2-7 <br />day charcoal canister <br />measurements from the lowest <br />level of each home tested. <br />Federal Area Radon Information for SAN JOAQUIN County <br />No Measures/Homes: <br />Geometric Mean: <br />Arithmetic Mean: <br />Median: <br />Standard Deviation: <br />Maximum: <br />>4 pCi/L: <br />>20 pCi/L: <br />Notes on Data Table: <br />22 <br />1.3 <br />2.5 <br />1.5 <br />3.8 <br />18 <br />9 <br />0 <br />TABLE 1. Screening indoor <br />radon data from the EPA/State <br />Residential Radon Survey of <br />California conducted during <br />1989-90. Data represent 2-7 <br />day charcoal canister <br />measurements from the lowest <br />level of each home tested. <br />erisinfo.coml Environmental Risk Information Services Order No: 21072801059p <br />