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Attachment B. <br />Multiply to estimate the pounds of HS in the waste. Any remainder HS input is assumed <br />to be emitted to the air. <br />Total Inputs = Output shipped as product + Output shipped as waste + Output as air <br />emission <br />21. QUESTION: <br />Suppose we have a mixture containing substances that are not on the list of <br />hazardous substances and the mixture does not meet the definition of a characteristic <br />chemical, yet some of its individual components may be corrosive. If these components <br />do not separate during the manufacturing process, would the corrosive component(s) be <br />considered characteristic? <br />ANSWER: <br />No. Characteristic substances in a non-characteristic mixture are not <br />reportable as long as they remain in the mixture -- and the mixture remains non- <br />characteristic--throughout their life cycle in Eugene. <br />22. QUESTION: <br />Do we have to double-report chemicals under this act? For example, <br />suppose a mixture is corrosive, and one of the components is reportable. How should the <br />mixture be reported? How would this be reported if the same corrosive substance is also <br />reportable? <br />ANSWER: <br />Double-reporting is explicitly discouraged. In the case of a listed reportable <br />substance that is part of a characteristic mixture, report the listed substance as a specific <br />If you do not know whether the remainder of the mixture is <br />hazardous chemical. <br />corrosive, then the remainder need not be reported. If the remainder is corrosive, <br />but its ingredients are unknown, then the remainder should be reported in the <br />generic corrosive characteristic substance category. <br />23. QUESTION: <br />Some chemicals are included on the chemical list as a specific isomer and <br />are also included on the list as mixed isomers. For example, o-xylene is on the list, and so <br />is xylene (mixed isomers). How should these types of substances be reported? <br />ANSWER: <br />To avoid double counting, the reporting business will have the option of <br />reporting a substance as either the mixed isomers or as the specific isomer. <br />- 60- <br />