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SAN JOAQUIN COUNTY AIR POLLUTION CONTROL DISTRICT <br /> TO: APCD Staff <br /> FROM: 12 Seyed Sadredin, Assistant AP Engineer <br /> DATE: October 16, 1986 <br /> RE: Contaminated Soil Aeration <br /> The following policy is followed by the San Joaquin County Air Pollution Control <br /> District in approval of such projects: <br /> 1. Uncontrolled Aeration <br /> A person shall not aerate contaminated soil at a rate in excess of that specified <br /> in the following table for the degree of organic content. The .following <br /> limitations apply to the entire facility: <br /> Allowable Rate of Uncontrolled Aeration <br /> Organic Content Rate of Uncontrolled Aeration <br /> ppm (weight) Cubic meters/day Cubic yards/day <br /> -450 <br /> Exempt <br /> 50-100 459.0 600 <br /> 100-500 91 .8 120 <br /> 500-1000 45.9 60 <br /> 1000-2000 22.9 30 <br /> 2000-3000 15.3 15 <br /> 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 <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 /> being added or removed. Any uncovered contaminated soil will be considered to be <br /> aerated. <br /> 4. Administrative Requirements <br /> The person responsible for aeration of any contaminated soil shall 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 /> a. Location <br /> b. Quantity of soil to be aerated (total ) . <br /> c. Quantity of soil to be aerated in any day. <br /> d. Average degree of contamination, or total organic content of soil . <br />