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7. 0 SOLVENT MANAGEMENT <br /> 7 . 1 General <br /> Solvents are used, stored, and disposed of so as not to <br /> constitute a hazard or violate the TTO compliance <br /> requirements . <br /> 7 . 2 Disposal <br /> 7 . 2 . 1 Solvents miscible with water which contain no TTO' s , such <br /> as Maskstrip, spent isopropanol , and fluxes , are pH <br /> adjusted, batch treated to remove metals , and discharged. <br /> 7 . 2 . 2 Solvents which do not mix with water OR which contain <br /> TTO's , such as Screen Wash (Toluene , Acetone) , or spent <br /> reflow oils, are accumulated and shipped out as hazardous <br /> waste for either recycling or combustion. <br /> 8 . 0 TRAINING <br /> Company personnel are trained in safe handling of chemicals, Right- <br /> to-Know, and in recovery and cleanup procedures. <br /> r <br />