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From the percentage figures, including the total rinsewater, the hazardous <br />waste streams deemed to be major waste streams are as follows: <br />Wastes Treated Onsite <br />Hazardous Rinsewater <br />Spent Concentrated Baths (Composite Stream B)* <br />Spent Resist Stripper (Composite Stream I)* <br />Wastes Shipped Offsite: <br />Spent Etchant <br />NOTE: If total rinsewater is not considered, then Composite Streams B & I <br />(see streams marked with a *) are major wastestreams and are considered in <br />this study and evaluation. <br />Composite Stream A: Dilute metal -bearing rinse waters to WPS <br />Composite Stream B: Spent baths to concentrated waste & batch treatment <br />