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A Source Reduction Success - Century Laminators, Inc. Century Laminators, Inc. is a small (about 140 employees) printed circuit board manufac- turer located in Anaheim. Although Century Laminators had already implemented some source reduction opportunities,the structured,systematic approach of SB 14 provided added benefit.The source reduction plan submitted to OPPGT by Mr. Chris Hensley, facil- ity manager,scheduled the following source reduction options for implementation: • increase concentration of copper in etchant. This would result in an annual savings ofSq,2oo,and reduce waste by 10% (37 tons). • reduce cleaning schedule. This would result in an annual savings of$7,700,and would reduce sludge production by 2% (1.5 tons/year). • install automatic flow sensors for rinses.This would result in an annual sav- ings of$8,250,and would reduce the potential for operator error that would increase sludge generation. • install automatic fluid dispensers (floor cleaner). This would result in an annual savings of$8,850. Operator error had resulted in excess sludge generation due to improper mixing of the floor cleaner. • install panel sensors on conveyorized processing equipment. This would result in an annual savings of$2,455. • modify oxide racks to increase drainage efficiency (cost benefit not quantified). • increase rack drip times. Potential reduction of dragout of 50%. In August of 1998,OPPGT requested follow-up information from Century Laminators, Inc. Mr. Hensley, now the Vice President of Business Development, is enthusiastic about the source reduction planning program. In a letter to OPPGT, he states"The program has in fact been instrumental in changing our thinking in terms of modifying what we currently do,and in evaluating processes,equipment,and chemistries for future use. The modifica- tions that were completed first due to their ease of implementation and low cost were not y the greatest opportunities for reduction, but they did provide a smooth transition into the U program and were carried out with enthusiasm and precision. These included increased drip times on our oxide line, rack modifications,and the installation of an automatic floor Ei cleaning dispenser."Century Laminators, Inc.'s manifest data indicate source reduction i O progress: O i Cd Ship Year Total Tons G� 1995 525 1996 459 i G� 1997 481 1998 283 rz LS Century Laminators' 1998 waste showed a 38%decrease from 1996 levels. These figures V give us some idea of the effects of Century Laminators'source reduction efforts. 56