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UNC Chapel Hill Permit <br /> g. General physical conditions; and <br /> h. Method used to close the unit/disposal area. <br /> 2. Waste Characteristics: <br /> a. Type of wastes placed in the unit; <br /> i. Hazardous classification (e.g., flammable, reactive, corrosive, oxidizing or <br /> reducing agent); <br /> ii. Quantity; and <br /> iii. Chemical composition. <br /> b. Physical and chemical characteristics such as; <br /> i. Physical form(solid, liquid, gas); <br /> ii. Physical description (e.g.,powder, oily sludge); <br /> iii. Temperature; <br /> iv. pH; <br /> v. General chemical class (e.g., acid, base, solvent); <br /> vi. Molecular weight; <br /> vii. Density; <br /> viii. Boiling point; <br /> ix. Viscosity; <br /> x. Solubility in water; <br /> xi. Cohesiveness of the waste; and <br /> xii. Vapor pressure. <br /> c. Migration and dispersal characteristics of the waste such as: <br /> i. Sorption capability; <br /> ii. Biodegradability, bioconcentration, biotransformation; <br /> iii. Photodegradation rates; <br /> iv. Hydrolysis rates; and <br /> v. Chemical transformations. <br /> The Permittee shall document the procedures used in making the above determinations. <br /> C. Characterization of Releases of Hazardous Constituents <br /> The Permittee shall collect analytical data on ground water, soils, surface water, sediment, <br /> and subsurface gas contamination n the vicinity of the facility in accordance with the <br /> sampling and analysis plan as required above. These data shall be sufficient to define the <br /> extent, origin, direction, and rate of movement of contamination. Data shall include time and <br /> location of sampling, media sampled, concentrations found, conditions during sampling, and <br /> the identity of the individuals performing the sampling and analysis. The Permittee shall <br /> address the following types of contamination at the facility: <br /> B-10 <br />