credits bmbl December 7 '06.doc - Central Michigan University

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Laboratory Biosafety Level Criteria – Biosafety Level 4 Only necessary equipment and supplies should be stored inside the BSL-4 laboratory. All equipment and supplies taken inside the laboratory must be decontaminated before removal from the facility. 11. Daily inspections of essential containment and life support systems must be completed and documented before laboratory work is initiated to ensure that the laboratory is operating according to established parameters. 12. Practical and effective protocols for emergency situations must be established. These protocols must include plans for medical emergencies, facility malfunctions, fires, escape of animals within the laboratory, and other potential emergencies. Training in emergency response procedures must be provided to emergency response personnel and other responsible staff according to institutional policies. C. Safety Equipment (Primary Barriers and Personal Protective Equipment) Cabinet Laboratory 1. All manipulations of infectious materials within the facility must be conducted in the Class III biological safety cabinet. Double-door, pass through autoclaves must be provided for decontaminating materials passing out of the Class III BSC(s). The autoclave doors must be interlocked so that only one can be opened at any time and be automatically controlled so that the outside door to the autoclave can only be opened after the decontamination cycle has been completed. The Class III cabinet must also have a pass-through dunk tank, fumigation chamber, or equivalent decontamination method so that materials and equipment that cannot be decontaminated in the autoclave can be safely removed from the cabinet. Containment must be maintained at all times. The Class III cabinet must have a HEPA filter on the supply air intake and two HEPA filters in series on the exhaust outlet of the unit. There must be gas tight dampers on the supply and exhaust ducts of the cabinet to permit gas or vapor decontamination of the unit. Ports for injection of test medium must be present on all HEPA filter housings. The interior of the Class III cabinet must be constructed with smooth finishes that can be easily cleaned and decontaminated. All sharp edges on cabinet finishes must be eliminated to reduce the potential for cuts and tears of gloves. Equipment to be placed in the Class III cabinet should also be free of sharp edges or other surfaces that may damage or puncture the cabinet gloves. 64
Laboratory Biosafety Level Criteria – Biosafety Level 4 Class III cabinet gloves must be inspected for leaks periodically and changed if necessary. Gloves should be replaced annually during cabinet recertification. The cabinet should be designed to permit maintenance and repairs of cabinet mechanical systems (refrigeration, incubators, centrifuges, etc.) to be performed from the exterior of the cabinet whenever possible. Manipulation of high concentrations or large volumes of infectious agents within the Class III cabinet should be performed using physical containment devices inside the cabinet whenever practical. Such materials should be centrifuged inside the cabinet using sealed rotor heads or centrifuge safety cups. The Class III cabinet must be certified at least annually. 2. Protective laboratory clothing with a solid-front such as tie-back or wraparound gowns, scrub suits, or coveralls must be worn by workers when in the laboratory. No personal clothing, jewelry, or other items except eyeglasses should be taken past the personal shower area. All protective clothing must be removed in the dirty side change room before showering. Reusable clothing must be autoclaved before being laundered. 3. Eye, face and respiratory protection should be used in rooms containing infected animals as determined by the risk assessment. Prescription eyeglasses must be decontaminated before removal through the personal body shower. 4. Gloves must be worn to protect against breaks or tears in the cabinet gloves. Gloves must not be worn outside the laboratory. Alternatives to latex gloves should be available. Do not wash or reuse disposable gloves. Dispose of used gloves with other contaminated laboratory waste. Suit Laboratory 1. All procedures must be conducted by personnel wearing a one-piece positive pressure suit ventilated with a life support system. All manipulations of infectious agents must be performed within a BSC or other primary barrier system. Equipment that may produce aerosols must be contained in devices that exhaust air through HEPA filtration before being discharged into the laboratory. These HEPA filters should be tested annually and replaced as needed. 65
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Biosafety in Microbiological and Bi
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SECTION VIII-H: Prion Diseases 299
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Forward Biosafety in Microbiologica
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Editors: L. Casey Chosewood, MD Dir
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Guest Editors: Matthew J. Arduino,
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Charles B. Millard, PhD Lieutenant
Page 13 and 14: Robert Bull Karen B. Byers Jane Cap
Page 15 and 16: Thomas L. Miller Douglas M. Moore M
Page 17 and 18: Robert Yarchoan Uri Yokel Lisa Youn
Page 19 and 20: Introduction laboratories chose not
Page 21 and 22: Introduction RISK CRITERIA FOR ESTA
Page 23 and 24: Introduction BMBL includes an impor
Page 25 and 26: Section II Biological Risk Assessme
Page 27 and 28: Biological Risk Assessment informat
Page 29 and 30: Biological Risk Assessment The NIH
Page 31 and 32: Biological Risk Assessment effectiv
Page 33 and 34: Biological Risk Assessment Third, m
Page 35 and 36: Biological Risk Assessment 14. Oxma
Page 37 and 38: Principles of Biosafety Safety equi
Page 39 and 40: Principles of Biosafety Often an in
Page 41 and 42: Principles of Biosafety Four standa
Page 43 and 44: Principles of Biosafety 4. Centers
Page 45 and 46: Laboratory Biosafety Level Criteria
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Page 75 and 76: Section V Vertebrate Animal Biosafe
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Vertebrate Animal Biosafety Level C
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Vertebrate Animal Biosafety Level C
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TABLE 1 SUMMARY OF RECOMMENDED BIOS
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Principles of Laboratory Biosecurit
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Occupational Health and Immunoproph
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Agent Summary Statements - Bacteria
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• Section VIII-B: Fungal Agents A
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Agent Summary Statements - Fungal A
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• Section VIII-C: Parasitic Agent
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Agent Summary Statements - Parasiti
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• Section VIII-D: Rickettsial Age
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Agent Summary Statements - Ricketts
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Agent Summary Statements - Ricketts
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• Section VIII-E: Viral Agents Ag
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Agent Summary Statements - Viral Ag
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Agent Summary Statements - Arboviru
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• Section VIII-G: Toxin Agents Se
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Agent Summary Statements - Toxins i
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Agent Summary Statements - Toxins A
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Agent Summary Statements - Toxins L
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• Section VIII-H: Prion Diseases
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Agent Summary Statement - Prion Dis
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Appendix A Proper maintenance of ca
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Appendix A declined. However, in ma
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Appendix A It is possible to exhaus
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Appendix A 4. The Class II, Type A2
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Appendix A prohibited. Furthermore,
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Appendix A plastic wrappers, pipett
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Appendix A touch-plate microburners
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Appendix A SECTION VI FACILITY AND
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Appendix A Development of Containme
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Appendix A C. Airflow Smoke Pattern
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Appendix A TABLES Table 1. Selectio
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Appendix A Table 3. Field Performan
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Appendix A FIGURES Figure 1. HEPA f
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Appendix A Figure 3. The Class II,
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Appendix A Figure 5B. The Class II,
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Appendix A Figure 8. The Class III
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Appendix A Figure 9B. The vertical
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Appendix A Figure 11. A typical lay
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Appendix A REFERENCES 1. Centers fo
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Appendix B Decontamination and Disi
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Appendix B surfaces are contaminate
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Appendix B TABLE 1 DESCENDING ORDER
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Appendix B dioxide gas exits the ge
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Appendix B d The effectiveness of a
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Appendix C Transportation of Infect
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Appendix C 1600 Clifton Road, N.E.,
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Appendix C disease in humans or in
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Appendix C Biological specimen, Cat
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Appendix D Agriculture Pathogen Bio
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Appendix D simultaneous opening of
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Appendix D 14. Pathological inciner
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Appendix D Wastes and other materia
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Appendix D Camelpox virus b a, b, c
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Appendix D SPECIAL ISSUES The impor
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Appendix D required by the USDA and
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Appendix D depression, anorexia, an
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Appendix D laboratory with enhancem
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Appendix D five day period of conta
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Appendix D slaughterhouses or indus
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Appendix D virus does not cause any
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Appendix D NDV is classified in the
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Appendix D movement permit is requi
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Appendix D Spring Viremia of Carp V
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Appendix D REFERENCES 1. Hess WR. A
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Appendix D 37. Alexander DJ. Newcas
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Appendix E Arthropod Containment Gu
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Appendix F Select Agents and Toxins
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Appendix G IPM issues and requireme
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Appendix H Working with Human, NHP
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Appendix I Guidelines for Work with
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decontaminated periodically, for ex
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0.25N, and/or sodium hypochlorite (
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k Irradiation causes a dose-depende
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7. Morin R, Kozlovac J. Biological
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Appendix J NIH Oversight of Researc
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Appendix K Resources for Informatio
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Appendix K E-mail: http://www2.gsu.
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Appendix K and http://www.who.int/c
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Appendix L HEPA High Efficiency Par
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