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disposal does not include the use of nonhazardous ash for snow and ice control, roadbase/subbase, <br /> walk areas, parking areas, airport runways, trails, dairy or feedlot soil stabilization, structural fill, <br /> sludge/manure/waste stabilizing material, <br /> compost mineral filler, smelter flux, blending in a soil product, and similar uses in accordance with Public <br /> Resources Code section 40180. Nonhazardous ash used for these purposes is not subject to the <br /> requirements of this Article. <br /> pH level above 12.5— Hazardous Ash: If this is the case we will rely on the California Hazardous Waste Code, <br /> Chapter 6.5 Hazardous Waste Control <br /> pH that is less than, or equal to, two or greater than or equal to, 12.5, as specified in paragraph (3) <br /> of subdivision (a) of Section 66261.22 of Title 22 of the California Code of Regulations, as that section <br /> read on January 1, 1996, shall not apply to ash generated from a biomass combustion process that is <br /> managed in accordance with applicable regulations administered by the California regional water <br /> quality control board, is used beneficially in a manner that results in lowering the pH below 12.5 but <br /> above 2.0, is not accumulated speculatively, and is available for commercial use. <br /> 6 <br />