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MAR-22-95 NED 14.59 SAN JOAQUIN VALLEY APCD FAX NO, 209 545 M2 Y. ugiuo <br /> Air Toxics Assessment Manual indicates an excess <br /> fcancer risk of less than one (1) in a million. <br /> 52.1.2 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 1. <br /> Table 1 <br /> Organic Content Allowable 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 - 3000 15 <br /> 3001 - 4000 10 <br /> 4001 - 5000 8 <br /> 5001 or greater none <br /> 5.2.1.4 The APCO shall be notified in writing for all limited <br /> aeration projects. Notification shall include: <br /> 5.2.1.4.1 the applicant's business name, <br /> 5.2.1.42 address, <br /> 5.21.43 quantity of soil <br /> 5.21.4.4E daily aeration rate, <br /> 5.2.1.4.5 location of stockpile and aeration area including <br /> distances from nearest residence, and <br /> snvnrcn <br /> 4651 - 3 12/17/92 <br />