that the mixture rule should be applied to the entire article, i cross my heart guitar lake shadow poster including the chemicals that are bound inextricably and to which employees are not exposed (Exs. , , , and ). As OSHA described in the NPRM,
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OSHA cited a report in the American Industrial Hygiene Association Journal (Ex. 4-59) that described one hospital’s experience with a drug that is generated as an aerosol in a tent for administration to children. i cross my heart guitar lake shadow poster Nurses, respiratory therapists, doctors, and other employees are directly exposed when they enter the tent to care for the patients. Information on the drug indicates that such occupational exposure may result in carcinogenesis, fertility impairment, and fetotoxicity. In addition, however, employees who were exposed also complained of experiencing acute effects such as headaches, burning and dryness of the eyes, coughing and dryness of the upper respiratory tract. The hospital eventually devised a protective program for exposed employees based upon its experiences.
A MSDS with recommendations for protective measures may have helped them resolve the situation prior to employees being exposed. The National Electrical Manufacturers Association (Ex. 24) submitted examples of electrical brushes to the record, and was concerned about a court decision involving such products. It should be noted that decisions concerning the applicability of the rule to items such as electrical brushes are to be made on a case-by-case basis by the chemical manufacturer or importer in the hazard determination process. It is entirely possible that electrical brushes from different manufacturers would be treated differently under the rule, depending upon their specific characteristics. The brushes of concern in the court case released copper and graphite dust as a result of handling, and employees were exposed. It is conceivable that other brushes would not be capable of releasing such materials when handled, and thus would not be covered. Several commenters suggested
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