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GEOCHECK®- 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 pCi/L. <br /> Zone 2 indoor average level>=2 pCVL and<=4 pCVL. <br /> Zone 3 indoor average level<2 PCl/L. <br /> SAN JOAQUIN COUNTY,CA <br /> Number of sites tested:20 <br /> Area Average Activity %<4 pCVL %4-20 pCi/L %>20 pCVL <br /> Living Area-1 st Floor 2.530 pCVL 90% 10% 00% <br /> Living Area-2nd Floor Not Reported Not Reported Not Reported Not Reported <br /> Basement 2.050 pC1/L 100% 0% 0% <br /> V <br /> r <br /> t. <br /> L <br /> TC0733735.4r Page A-18 <br />