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3•, ti' ':g a " 'x�" �r` � s ,f " 'p. k ' g - -� t�s<. f aFi .-� +^ <br /> 7& <br /> mss. + ', <br /> Y,fyy <br /> S� <br /> .ti <br /> a <br /> Many complex branched and cyclic hydrocarbons are degraded as <br /> a result of the co-oxidation process. <br /> it has been found, for <br /> instance, that the degradation of hydrocarbons withthedegra3ation <br /> in a <br /> high-octane gasoline was not in agent the mixture. <br /> of individual hydrocarbons comprising <br /> proprietary findings to date support the hypothesis that <br /> cnaminatd <br /> excellent degradation potentials for oy�ati�nmofQatnumbereof <br /> soils may be obtained through the app <br /> aerobic (oxygen utilizing) sail biodegradation procedures, i.e. : <br /> Forced air composting WindrowingfarmingIandfarming <br /> static pile aeration <br /> forced air composting has been utilized during periods of <br /> inclement weather and under circumstances where space for <br /> h mixing of <br /> treatment is limited. It invoinoculum and/orlves the gcompost. . .with <br /> contaminated soil with liquidsuperior bulking <br /> ow certain forms of compost having proven drbCarban utilizing <br /> agents, and source of non-pathogenic hYa <br /> bacteria and fungi, nutrients minerals, and moisture. The <br /> amended soil is then formed into large, quadrilateral beds <br /> through which slotted piping is placed. The piping is then <br /> connected to pumps which draw air through the treatment bBeds <br /> eds <br /> in order to maintain adequate supplies of oxyg <br /> en may also be covered to regulate temperature and protect against <br /> extreme weather conditions. <br /> Static pile aeration is a process similar to forced-air, however, <br /> no piping is placed within the bed as periods of cooler weather <br /> create conditions in which passive air ward movement oflow into the dbi provides <br /> adequate aeration as a result of the up <br /> tally heated air drawing the cooler ambient air into the sides <br /> of the beds. <br /> windrowing is a process which utilizes a specially ed <br /> soils mixing machine to construct three foot high bedseds of amended <br /> o <br /> soil. The beds are turned periodicPUY to maintain aerobic <br /> conditions and break down clayey soils. This process is believed <br /> unique to local projects and has provided superior degradation <br /> rates. <br /> Thin-spread landfarming probably remains the most commonly used <br /> soils bioremediation protocol. dere, contaminated material <br /> is spread thinly (usually to a depth of 9--12 inches) to permit <br /> passive aeration of inoculated/amended soils. <br /> in all cases► the treatment beds are carefully monitored to <br /> ensure that appropriate soil permeability, pH, moisture, and <br /> les are also acquired for <br /> nutrient levels- are maintained._._.. amp _ <br /> TV. <br />