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I In t r o d u c t i o nn t r o d u c t i o n





                                  Protectionrotection
                Respiratoryespiratory
                R                 P                                    must be developed. Information and guidance
                Programrogram
                P            E             F     H                     needed for the proper selection, use, and care of
                             Elementslements
                                           Foror
                                                 Healthealth
                                                                       these devices must be included.
                                     Exposedxposed
                       Workersorkers
                                                  Too
                C      W            E            T
                Careare
                Tuberculosisuberculosis
                T                                                      Respirator selection must be based on the
                                                                       hazard to which the worker is exposed. More
              From 1985 to 1992, the incidence of turberculosis (TB)   protective respirators may be needed for cer-
              in the general U.S. population increased approxi-        tain high-risk procedures [CDC 1994, p. 99].
              mately 14 percent, reversing a 30-year downward
              trend.  In 1993, 25,313 new cases of TB were reported    The respirator user must be trained in the
              in the U.S. [CDC 1994].  Associated with this resur-     correct use of the respirator as well as its
              gence were hospital outbreaks of TB, and the emer-       limitations.  This training must include instruc-
              gence of multiple-drug-resistant TB.  In response to     tions for wearing and adjusting the respirator
                                                                       and for checking the fit.
              these public health threats, extensive efforts were
              taken across the nation to improve TB-prevention and     Respirators must be regularly cleaned and
              TB-control programs.  As a result of these measures,     disinfected. Disposable respirators (cannot be
              since 1992, there has been a consistent decline in the   used by more than one person) must be dis-
              number and incidence of TB (i.e., 7.4 cases per 100,000  carded if they are soiled or physically dam-
              population and 19,855 total cases in 1997) and a         aged (e.g., creased or torn).  If the replaceable
              decline in multiple-drug-resistant TB [CDC 1998b].       filter respirator is used by more than one
              The public health and the occupational risks of TB       person (that is, not assigned to one person
              thus appear to be once again decreasing, but they        permanently), it must be cleaned and disin-
              remain very significant.                                 fected after each use.


              Health care workers exposed to patients with  infec-     Respirators must be stored in a convenient,
              tious TB require protection from that disease. Be-       clean, sanitary location. They must be stored so
              cause the use of engineering controls (such as isola-    they are protected from dust, harmful chemi-
              tion rooms and ventilation) may not completely           cals, sunlight, moisture, and excessive heat or
                                                                       cold.
              control the TB hazard, respiratory protection is
              needed.                                                  Respirators that are used routinely must be
                                                                       inspected during cleaning, and damaged or
              When respirators are used, the Occupational Safety       deteriorated parts must be replaced.
              and Health Administration (OSHA) standard for
              respiratory protection for M. tuberculosis [29 CFR*      Appropriate surveillance must be maintained
              1910.139]  must be followed.  OSHA has stated that       for work area conditions and the degree of
                      +
              it will promulgate a separate standard for TB; but       worker exposure or stress.  Any changes from
              until then, the use of respirators for TB exposures      the last evaluation must be identified and
              will be enforced under the original respiratory          evaluated.
              protection program prescribed by OSHA in 29 CFR
              1910.139 (see Appendix A).  This program requires        A regular inspection and evaluation (e.g.,
              the following:                                           yearly) must be conducted to determine the
                                                                       continued effectiveness of the program.
                  Written Standard Operating Procedures (SOPs)
                  describing the selection and use of respirators      A determination must be made that a worker


              * Code of Federal Regulations. See CFR in references.
              +  [29 CFR 1910.139] was formerly codified at [29 CFR 1910.134].

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