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1 <br /> 1 GEOCHECKS- PHYSICAL SETTING SOURCE MAP FINDINGS <br /> RADON <br /> AREA RADON INFORMATION <br /> Federal EPA Radon Zone for SAN JOAQUIN County 3 <br /> Note Zone 1 indoor average level>4 pCdL <br /> Zone 2 indoor average level—2 pCdL and<=4 pCdL <br /> Zane 3 indoor average level<2 pCdL <br /> Federal Area Radon Informabon for SAN JOAQUIN COUNTY CA <br /> Number of sites tested 20 <br /> 1 Area Average Acbvity %<4 pCi1L %4-20 pCdL %>20 pCi/L <br /> Living Area-1st Floor 2 530 pCdL 90% 10% 0% <br /> Living Area-2nd Floor Not Reported Not Reported Not Reported Not Reported <br /> Basement 2 050 pCdL 100% 0% 0% <br /> i <br /> i <br /> 1 <br /> i � <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> 1 <br /> • <br /> 1 <br /> TC0961230 3s Page A-22 <br /> 1 <br />