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Barium and cadmium had also been used as additives to the phosphor in lamps made prior to mid- 1988 but are no longer used in the phosphor in current production. These materials are also considered hazardous chemicals. In addition, although the evidence is limited and conflicting, cadmium and certain cadmium compounds have been listed by the International Agency for Research on Cancer as possible human carcinogens. Mercury Neither the mercury nor the phosphor concentration in air produced as a result of breaking one or a small number of fluorescent lamps should result in significant exposures to the individual. However, when breaking a large number of lamps for disposal, appropriate industrial hygiene monitoring and controls should be implemented to minimize airborne levels or surface contamination. We recommend that the work be done in a well-ventilated area, and local exhaust ventilation or personal protective equipment may be needed. IV. Disposal Concerns TCLP A Toxicity Characteristic Leaching Procedure (TCLP) conducted on traditional fluorescent lamp designs for mercury would most likely cause the lamps to be classified as a hazardous waste due to the mercury content. While small numbers of these lamps placed in ordinary trash may not appreciably affect the nature or method of disposal of the trash, under most circumstances disposal of large quantities may be regulated. You should review your waste handling practices to assure that you dispose of waste lamps properly and contact your state environmental department for any regulations that may apply. To check state regulations or to locate a recycler, go to Reduced mercury fluorescent lamps that consistently pass the TCLP test are available and marketed under the Ecolux trade name. For more information on Ecolux fluorescent lamps visit . ...

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