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Nemt solutions tuberculosis awareness 2.4.08
- 1. Overview of Enforcement for Occupational Exposure to Tuberculosis (TB)
- 8. General Duty Clause Section 5 (a)(1) of the OSH Act states: “ Each employer shall furnish to each of his employees employment and a place of employment which are free from recognized hazards that are causing or are likely to cause death or serious physical harm to his employees.” OSH Act
- 9. General Duty Clause (Continued) Citations shall be issued to employers with employees working in one of the workplaces where the CDC has identified workers as having a higher incident of TB infection than the general population, when the employees are not provided appropriate protection and who have TB exposure.
- 12. TB and Respiratory Protection (Continued) Covered establishments must comply with 29 CFR 1910.134 when using respirators for protection from TB.
- 19. Accident Prevention Signs and Tags In accordance with 1910.145 (f)(8), a warning shall be posted outside the respiratory isolation or treatment room or a message referring one to the nursing station for instruction may be posted. 1910.145 (f)(4) requires that a signal word or biological hazard symbol may be presented as well as a major message.
- 20. Accident Prevention Signs and Tags (Continued) Employers are also required to use biological hazard tags on air transport components which identify TB hazards to employees associated with working on air systems that transport contaminated air.
Notas do Editor
- This presentation provides a brief overview of OSHA’s enforcement policy for occupational exposure to tuberculosis. OSHA’s tuberculosis policy is found in CPL 02-00-106 – CPL 2.106 – Enforcement Procedures and Scheduling for Occupational Exposure to Tuberculosis.
- TB infection occurs when a susceptible person inhales droplet nuclei containing the bacteria and becomes established in the body. There are various symptoms that may indicate exposure to TB. These include: lethargy, weakness, fatigue, fever, weight loss, persistent productive cough, coughing up blood, loss of appetite, and night sweats. The Mantoux tuberculin skin test is used to detect TB infection. Positive result indicate TB infection. Other tests are needed to confirm TB disease. TB is largely a preventable disease. Several drugs are used to treat TB. The most common drugs are isoniazid (INH) and rifampin.
- In the mid-1980s, a resurgence of outbreaks in the U.S. brought renewed attention to TB. Since 1985, the incidence of TB in the general population has increased 14% reversing a 30 year downward trend. In 1993, over 25,000 new cases of TB were reported in the U.S. During 1994 and 1995, however, there was a decrease in TB cases in the U.S. likely due to increased awareness and efforts in prevention and control of TB.
- These factors contribute to the growing increase in TB cases.
- The Centers for Disease Control and Prevention (CDC) has identified these workplaces as having high incidences of TB. Health care facilities include hospitals where patients with confirmed or suspect TB are treated or to which they are transported. Coverage of non-health care settings (doctors’ offices, clinics, etc.) include only personnel present during performance of high hazard procedures on suspect or active TB patients. Dental health care personnel are covered only if they treat suspect or active patients in a hospital, correctional facility, or as part of their practice.
- Section 5 (a)(1) citations must meet the requirements outlined in OSHA’s Field Inspection Reference Manual( FIRM), and shall be issued only when there is no standard that applies to the particular hazard. The hazard, not the absence of a particular means of abatement, is the basis for a general duty clause citation. Four required elements are necessary for issuing general duty clause violations include: These include: the employer failed to keep the workplace free of a hazard to which employees of that employer were exposed; the hazard was recognized; the hazard was causing or was likely to cause death or serious physical harm; and there was a feasible and useful method to correct the hazard.
- Employee exposure to TB is defined as exposure to the exhaled air of an individual with suspected or confirmed pulmonary TB disease, or employee exposure without appropriate protection to a high hazard procedure performed on an individual with suspected or confirmed infectious TB disease and which has the potential to generate infectious airborne droplet nuclei.
- These are examples of feasible and useful TB abatement methods recommended by the CDC. These methods are explained in detail in Appendix A of the compliance directive.
- Respirators shall be provided by the employer when such: equipment is necessary to protect the health of the employee and equipment is applicable and suitable for the purpose intended.
- Respiratory protection for TB was formerly covered under 29 CFR 1910.139. This standard was withdrawn on 12/31/03. At that time, establishments whose respiratory protection programs for TB were formerly covered under 29 CFR 1910.139 were required to adapt their programs to comply with the requirements of 29 CFR 1910.134. Since the withdrawal made compliance with 1910.134 effective immediately, OSHA decided to delay enforcement of several portions of 29 CFR 1910.134 until July 2, 2004 for covered establishments to allow employers time to come into compliance. The delay in enforcement applied only to respiratory protection used for protection used for protection from TB and did not apply to respirators used for protection from other bioaerosols which may be found in patient setting such as Severe Acute Respiratory Syndrome (SARS). Health care facilities that had employees exposed to any other airborne contaminants requiring respirator protection were already required to have a respiratory protection program that was in compliance with 1910.134. Effective July 2, 2004, covered establishments must comply with 1910.134 when using respirators for protection from TB.
- The establishment and maintenance of the respiratory protection program shall be the responsibility of the employer and include the requirements outlined in 29 CFR 1910.134 (c). The respiratory program must be written and include the elements described above.
- The minimal acceptable level of respiratory protection for TB is the Type 95 respirator. NIOSH respirator certification requirements are contained in 42 CFR Part 84.
- Employees using tight-fitting respirators must be fit tested before use and whenever a change in respirator design or facial changes occur that could affect the proper fit of the respirator. Examples of conditions which would require additional fit testing of an employee include (but are not limited to) the use of a different size or make of respirator, weight loss, cosmetic surgery, facial scarring, and the installation of dentures or absence of dentures that are normally worn by the individual. Employers must follow one of the fit testing methods detailed in Appendix A to the standard and maintain records of each fit test performed.
- High hazard procedures: c haracterized by potential to generate airborne secretions; aerosolized medication treatment; bronchoscopy; sputum induction; endotracheal intubation and suctioning; and autopsies conducted in hospitals.
- The employer is required to keep all medical evaluation records and a copy of the current fit-test record for each respirator user.
- Warning signs must be posted on respiratory isolation or treatment rooms stating “pulmonary isolation,” “respiratory isolation,” or “AFB isolation.” the sign must state specifically the precautions required to interact with patients.
- According to 29 CFR 1904.11, Recording Criteria for Work-Related Tuberculosis Cases, employers who have employees who have been occupationally exposed to anyone with a known case of active TB, and subsequently develops a tuberculosis infection must record the case. The case must be recorded on the OSHA 300 log by checking the “respiratory condition column.”
- Additional information on TB can be found on OSHA’s website at http://www.osha.gov/SLTC/tuberculosis/index.html.