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.e/13/2000 11:02 5106651521 <br /> PMPD PAGE 17 <br /> Radon Risk Data Evaluation <br /> Radon is a colorless, tMteless radioactive gas that has been linked to a possible increased risk of lung <br /> cancer. According to the U.S. Environmental Protection Agency(EPA), exposure to 4.0 picoCuries of <br /> radon gas Per liter of air (pCi/0 ort a regular basis increases the anisic of 1 <br /> mcozntw nded a maximum residential indoor radon concentration guideline of 4 PCi/Q f e EPA ing <br /> to the California Statewide Radon Surveyprepared b the State of Califo ' According <br /> P P Y r ,,Depatttlent of Health <br /> Services, one radon i0vestigation has been conducted in San J uin.Coun '�� <br /> I ty.,.' ,116estigation included <br /> ..f•f•:•et. <br /> e placement of 22 radon canisters in the county. Of the 22 radonis""' s cola , ti were deterxnineci . <br /> to exceed .0 CilP Q. Based on the available regional data, it is ukcly that rtR <br /> tip. ,:„ <br /> of 4.0 PCi/e would occur. Accordingly, `s ~: <br /> potential e�cPositr <br /> to radon-:0--the subjat <br /> considered a recognized environmental condition and <br /> no fur# , g. � <br /> s4 t T}::kr•:k: }.t•.f <br /> »: ;, t1OT1 1S W Tal7t E` - <br /> :};...:R.}.s. <br /> .::may•• <br /> ..1•.•Sk;�ir:h...t••}•}:. .. xIIFr;•.:lN..•:..; <br /> T.Y.;R,Rt;: ;+w:•.T .: :.. :!. <br /> kT%ae�v�2�:tYter. ''S"ir+Y.•k• <br /> 4; <br /> .H bi'. <br /> lit <br /> 1ARose-DeIkX*ebelI4WY•R01.wpd <br /> 04;Wber 5,1999 <br /> SSCQR lob No.007.15901.500 ' <br />