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Phase I Environmental Assessment: A • Phase separation of hazardous waste <br /> preliminary site assessment based on during storage or accumulation in <br /> reasonably available knowledge of the tanks or containers, if the separation <br /> facility, including, but not limited to. is unaided by the addition of heat or <br /> historical use of the property, prior releases, chemicals. If the phase separation <br /> visual and other surveys,records, occurs at a commercial offsite <br /> consultant reports, and regulatory agency permitted storage facility, all phases <br /> correspondence. of the hazardous waste must be <br /> managed as hazardous waste after <br /> Transportable Treatment Unit(TTU): A separation. <br /> TTU is any mobile equipment that performs <br /> treatment, is transported to a facility to • Combining two or more <br /> perform a treatment, and is not permanently wastestreams that are compatible <br /> stationed at a single site. into a single tank or container if <br /> both of the following conditions <br /> Treatment: Any method, technique, or apply: <br /> process which is not otherwise excluded, or <br /> which is designed to change the physical, . The wastestreams are being <br /> chemical, or biological character or combined solely for the purpose of <br /> composition of the hazardous waste or consolidated accumulation or <br /> material it contains, or which removes or storage or consolidated offsite <br /> reduces its harmful properties or shipment, and they are not being <br /> characteristics for any purpose. If the combined to meet a fuel <br /> activity that you are conducting is specification or to otherwise be <br /> consistent with this definition, you are chemically or physically prepared to <br /> required to obtain a permit or a grant of be treated, burned for energy value, <br /> authorization through your CUPA. or incinerated. <br /> However. if your activity is not considered <br /> regulated treatment, you do not need a • The combined wastestream is <br /> permit or grant of authorization. The managed in compliance with the <br /> following activities do not require a permit most stringent of the regulatory <br /> or a grant of authorization (see Health & requirements applicable to each <br /> Saf. Code §25123.5): individual wastestream. <br /> • Sieving or filtering liquid hazardous Evaporating water from hazardous <br /> waste to remove solid fractions, wastes in tanks or containers, such <br /> without added heat, chemicals, or as breathing and evaporation <br /> pressure, as the waste is added to or through vents and floating roofs, <br /> removed from a storage or without adding pressure, chemicals. <br /> accumulation tank or container or heat other than sunlight or <br /> (sieving or filtering does not include ambient room lighting or heating. <br /> adsorption, reverse osmosis, or <br /> ultra-filtration). • Combining glutaraldehyde or <br /> orthophthaladehyde, used by <br />