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., _ <br /> v <br /> L�L1 <br /> SAH JOAQUIN COUNTY AIR POLLUTION' CONTROL DISTRICT <br /> d <br /> T0: APCD Staff <br /> } <br /> FROM: Seyed Sadredin, Assistant AP Engineer <br /> DATE: October 16, 1486 <br /> RE: Contaminated Soil Aeration <br /> The following policy is followed by the San Joaquin County Air Pollution Control <br /> E}istrict in approval of such projects: <br /> 1. Uncontrolled Aeration <br /> A person shall not aerate contaminated soil at a rate in. ex--�ss of that SDE Ciiic� <br /> in the following table for the degree of organic content. The following <br /> limitations apply to the entire facility: <br /> 'i <br /> Allowable Rate of Uncontrolled Aeration <br /> Organic Content Rate'of Uncontrolled Aeration. <br /> �* wpm {weight} Cubic meters/dav Cubic _Yards/day <br /> 5O Exempt <br /> 50-100 459.0 600 <br /> 100-500 91.8 120 <br /> 500-1000 45.9 60 <br /> f ` ; 1000-2000 22.9 30 r <br /> 2000-3000 15.3 15 <br /> E 3000-4000 11.5 10 <br /> 4000=5000 9.2 8 # <br /> 5000 0.08 0.1 <br /> ,2: Controlled Aeration . <br /> Soil may be aerated at rates exceeding the above limitations provided emissions t <br /> of organic compounds to the atmosphere are reduced by at least 90' by weight. ' <br /> ` € 3. Storage Piles <br /> COntaminated soil which is not being aerated shall be covered except when soil is <br /> bein added':or :removed Any`uncovered-contaminated`soil Wil] -be considered. o be - <br /> 9 <br /> aerated. F <br /> 1 ' 4. Administrative Requirements j <br /> The person responsible for aeration of any contaminated soil small provide the <br /> District, by telephone, with the following information. This shall be provided <br /> - , no less ,than 24 hours prior to aeration of any contaminated soil. . The District <br /> shall be notified within 24 hours if any of the parameters change. <br /> r l~ <br /> o a. Location <br /> b. Quantity of soil to be aerated (total). <br /> c. Quantity of soil to be aerated in any day. ; <br /> k; d. Average degree of contamination, or total organic content of soil. s <br /> 77777777— <br /> : s <br />