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Air Toxics Assessment Manual indicates an excess <br /> cancer risk of less than one (1) in a million. <br /> 5.2,1.2 the rate at which contaminated soil may be added to an <br /> active soil aeration pile shall be limited by the soil's <br /> organic content. <br /> 5.2.1.3 the maximum rates for the addition of contaminated soil <br /> that may be added to soil which is already aerating is <br /> listed in Table I. <br /> Table I _ <br /> Organic Content All <br /> Rate of Limited Aeration <br /> (ppm by weight) (Cubic yards/day) <br /> 0 - 50 Exempt <br /> 51 - 100 600 _ <br /> 101 - 500 120 <br /> 501 - 1000 60 <br /> 100 - 2000 30 <br /> 2001 - 300 15 <br /> 30U1 • 4000 lU ' <br /> 4001 - 5000 <br /> R � <br /> i <br /> 5001 or greater none <br /> 5,2,1,4 The APCO shall be notified in writing for all limited <br /> aeration projects. Notificati(g, shall include: <br /> 5,2.1.4.1 the applicant's business name, <br /> 5.2.1.4.2 address, <br /> 5.2.1.43 quantity of soil <br /> 5.2.1.4.4, daily aeration rate, <br /> 5.2.1.4.5 location of stockpile and aeration area including <br /> distances from nearest residence, and <br /> 4651 - 3 <br /> SJVQAPCO <br /> ta1t7/9a <br />